A bubble plot chart is essentially the same as a scatter plot chart, except that it has a third variable that determines the size of each point. The following screenshot represents a bubble plot chart:
You can reuse the dashboard from the Using a scatter plot chart recipe and add the values in column D, as shown in the following screenshot:
Bind the data By Range to spreadsheet cells B5 through D9.
Bind the Chart field to cell A1 and delete the subtitle.
Bind the Value (X) Axis field to cell B4 and the Value (Y) Axis field to cell C4.
Go to the Behavior tab and select the Scale sub-tab. Now select Fixed Label Size.