Determining percentages is an important mathematical skill used in many real-world situations.
You are viewing: What Percent Of 15 Is 9
In this article, we will explore the question “9 is what percent of 15?” step-by-step and discuss various methods to find the percentage.
Utilizing the “X is What Percent of Y Calculator”,we can compute that 9 is 60% of 15.
Step-by-Step Solution: 9 is What Percent of 15?
Now that we know we want to find 9 is what percent of 15? , let’s look at two different step-by-step methods we can use to solve this percentage problem. Each approach arrives at the same solution, but understanding different ways to think through the math builds flexibility and deeper learning.
Method 1: Convert Ratio to Percentage
Fractions consist of a numerator and denominator. Fractions consist of a numerator and denominator. The numerator represents the number of pieces being considered, while the denominator is the total number of pieces that make up the whole.
“Percent” means “per hundred”. So percent is another way to express a fraction where the denominator is always 100.
For example, the percentage 50% indicates we have 50 out of a total of 100 pieces. 50% can be rewritten as the fraction 50/100, since we have 50 parts out of 100 total parts.
In summary, to convert a fraction to a percentage, we multiply the numerator and denominator by the same value so that the denominator becomes 100. Once we have a fraction with a denominator of 100, the numerator gives us the percentage amount. This allows any fraction to be converted to an equivalent percentage based on the concept of “out of 100”.
Let’s apply this understanding to calculate “9 is what percent of 15?”.
Step1: Write the Ratio as a Fraction
First, we can express “9 is what percent of 15?” as the fraction 9/15.
9 of 15 can be written as: 9 / 15
Step 2: Find the Number to Multiply to Get a Denominator of 100
We want the denominator to be 100, so need to multiply by a number that makes 15 into 100
To find this number, divide 100 by 15:
100 /15 = 6.666666667
Step 3: Multiply the Fraction by the Number from Step 2
Multiply both the numerator and denominator by 6.666666667:
9/15 x 6.666666667/6.666666667 = 9 x 6.666666667/15 x 6.666666667 = 60/100
Step 4: The Numerator is Now the Percentage
Since our new denominator is 100, the numerator 60 represents the percentage
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This step-by-step method of converting the ratio 9 : 15 to a fraction and then a percentage with a denominator of 100 allows us to calculate that 9 is 60% of 15.
Method 2: Converting Fractions to Decimals and Percents
You can also use division to convert a fraction to a decimal and then to a percentage.
Step 1: Write the Fraction
Start with the original fraction:
9 of 15 can be written as: 9 / 15
Step 2: Divide the Numerator by the Denominator
Use long division to divide the numerator by the denominator:
9 / 15 = 0.6
Step 3: Multiply the Decimal by 100
To convert the decimal to a percentage, multiply it by 100:
0.6 x 100 = 60%
Therefore, by dividing 9/15 to 0.6 and then multiplying by 100, the result is 60%
Following this process carefully of dividing the fraction, multiplying the decimal by 100, and interpreting the result as a percentage provides us another method to find that 9 is 60% of 15.
Comparing the Two Methods
Let’s summarize the two methods we used to find the percentage “9 is what percent of 15?”:
Method Description Steps Convert Ratio to Percentage Converts the ratio to a fraction, then multiplies to make the denominator 100 1. Write ratio as fraction 2. Multiply to make denominator 100 3. Numerator is the percentage Convert Fraction to Decimal and Percentage Divides the fraction to a decimal, then multiplies the decimal by 100 1. Write the fraction 2. Divide numerator by denominator 3. Multiply decimal by 100 4. Result is the percentage
The ratio to percentage method directly converts the ratio 9 : 15 to an equivalent percentage fraction. The fraction to decimal method indirectly converts the fraction 9/15 to a decimal and then a percentage.
p>Both methods follow a clear step-by-step procedure to arrive at the same result that 9 is 60% of 15. Understanding multiple approaches builds flexibility in thinking through percentage problems.
Standard Percentage of 15 Calculation Examples
Now that we have calculated that 9 is 60% of 15, let’s explore what 5%, 10%, up to 95% of 15 would be.
0.75 is 5% of 15
1.5 is 10% of 15
2.25 is 15% of 15
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3 is 20% of 15
3.75 is 25% of 15
4.5 is 30% of 15
5.25 is 35% of 15
6 is 40% of 15
6.75 is 45% of 15
7.5 is 50% of 15
8.25 is 55% of 15
9 is 60% of 15
9.75 is 65% of 15
10.5 is 70% of 15
11.25 is 75% of 15
12 is 80% of 15
12.75 is 85% of 15
13.5 is 90% of 15
14.25 is 95% of 15
15 is 100% of 15
Conclusion
Finding percentages is an essential mathematical skill used in daily life for calculations of discounts, taxes, tips, interest rates, test scores, and more. In this article, we explored the specific question “9 is what percent of 15?” and discussed two methods to solve it – converting a ratio to a percentage and converting a fraction to a decimal and percentage. Both methods carefully followed arrive at the solution that 9 is 60% of 15.
We also looked at calculating a range of standard percentages from 5% to 95% of the total number 15. Practicing these types of percentage calculations helps improve mathematical proficiency and comfort applying different techniques.
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