Finding the Fourth Proportional to 7,332,970.05, 10,083,605.34 and 6,364,413.63
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Solution
The fourth proportional to 7,332,970.05, 10,083,605.34 and 6,364,413.63 is: 8,751,738.36
Step by Step Solution
- Step 1: Write the proportion equation
7,332,970.05 : 10,083,605.34 = 6,364,413.63 : x - Step 2: Convert to fraction form
7,332,970.05/10,083,605.34 = 6,364,413.63/x - Step 3: Cross multiply
7,332,970.05x = 10,083,605.34 × 6,364,413.63 - Step 4: Simplify right side
7,332,970.05x = 64,176,235,265,436.78 - Step 5: Solve for x
x = 64,176,235,265,436.78/7,332,970.05 - Step 6: Final answer
x = 8,751,738.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.