Question 952895

  The quantity {{{y }}} is proportional to {{{x}}} if {{{y = kx}}}, where {{{k}}} is the constant of proportionality.


compare {{{y=10x}}} to {{{y = kx}}} , you see that the constant of proportionality

{{{k=10}}}

so, your answer is: the constant of proportionality is {{{10}}}