If you know the ratio of inches to centimeters is 1 to 2.54, how can you find the number of centimeters equivalent to 9 inches? What is the relationship between centimeters and inches?
Answers
Sample Response: Moving the slider to 9 inches shows that 9 inches is equivalent to 22.86 centimeters. 1 inch is 2.54 times bigger than a centimeter.
9 inches in centimetres is 22.86 centimetres.
Given - Ratio
Find - 9 inches in centimetres
Solution - We are given the ratio relating inches and centimetres. So, the relationship between centimetres and inches is that, 1 inch is equivalent to 2.54 centimetres.
Using this relationship, we will calculate equivalent of 9 inches in centimetres. Cross multiplication is required to find the value.
Let the value of 9 inches in centimetres be x. Now, representing the ratios and comparing them to find the value of x.
1:2.54 = 9:x
x = 9×2.54
x = 22.86 centimetres
Hence, 9 inches is equivalent to 22.86 centimetres.
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