y = (4 / 9)x equation represents the relation as per the condition given.
What are variables?
" Variables are the quantities which can changed as per the condition applied on it."
Formula used
y ∝ x
⇒y = k x
x, y are variables
k is the constant of proportionality
According to the question,
Given,
y = (1 / 3)
x =(3 / 4)
Substitute the value of the variables in the formula we get,
y = k x _____(1)
( 1 / 3) = k ( 3 / 4)
⇒k = ( 1 / 3) × ( 4 / 3)
= 4 / 9
Again substitute the value of k in equation we get,
y = ( 4 / 9) x
Hence, y = (4 / 9)x equation represents the relation as per the condition given.
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