Describe how the graph of y=log (10 000x) is related to the graph of y=log x

Background: log (a. b) = log a + log b

hence log (10000x) = log 10000 + log x but we know that log 10000 = 4

= 4 + log x

therefore the graph of log (10000x) is just the graph of log x transposed by 4