Scale Factor of 30 and 9

What is the Scale Factor of 30 and 9? What is the Scale Factor between 30 and 9? More specifically, what is the Scale Factor from a length of 30 to a length of 9? In other words, what (Scale Factor) can you multiply by 30 to get 9 as illustrated below?:

30 × Scale Factor = 9

To solve the equation above, you simply divide both sides by 30 to get the Scale Factor alone on the left side:

(30 × Scale Factor)/30 = 9/30
Scale Factor = 9/30

We could leave the answer like that, but we have also converted the answer to its simplest fraction form and to decimal form:

Fraction answer = 3/10
Decimal answer = 0.3

You may also be interested to know that we verified that 30 × 3/10 = 9 is true, which means that our answer is correct. Also, note that since 30 is greater than 9, this is a Reduction Scale Factor.

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Scale Factor of 30 and 10
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