Scale Factor of 5 and 81

What is the Scale Factor of 5 and 81? What is the Scale Factor between 5 and 81? More specifically, what is the Scale Factor from a length of 5 to a length of 81? In other words, what (Scale Factor) can you multiply by 5 to get 81 as illustrated below?:

5 × Scale Factor = 81

To solve the equation above, you simply divide both sides by 5 to get the Scale Factor alone on the left side:

(5 × Scale Factor)/5 = 81/5
Scale Factor = 81/5

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 = 16 1/5
Decimal answer = 16.2

You may also be interested to know that we verified that 5 × 16 1/5 = 81 is true, which means that our answer is correct. Also, note that since 5 is less than 81, this is an Enlargement Scale Factor.

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Scale Factor of 5 and 82
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