Question
The constant of proportionality is?
- $3
- $4
- $2
- $9
Hint:
Constant of proportionality is the constant value of the ratio between two proportional quantities.
The correct answer is: $9
Here, we have to find the constant of proportionality.
To check the constant of proportionality,we use : K = 
K = 9
Constant of proportionality is 9.
Hence, the correct option is (a).
When comparing two or more ratios, the constant of proportionality is a fixed number that indicates the rate at which ratios increase or decrease.
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