Finding the Fourth Proportional to 7,083,138.49, 10,569,464.38 and 6,319,732.12
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Solution
The fourth proportional to 7,083,138.49, 10,569,464.38 and 6,319,732.12 is: 9,430,308.84
Step by Step Solution
- Step 1: Write the proportion equation
7,083,138.49 : 10,569,464.38 = 6,319,732.12 : x - Step 2: Convert to fraction form
7,083,138.49/10,569,464.38 = 6,319,732.12/x - Step 3: Cross multiply
7,083,138.49x = 10,569,464.38 × 6,319,732.12 - Step 4: Simplify right side
7,083,138.49x = 66,796,183,514,957.88 - Step 5: Solve for x
x = 66,796,183,514,957.88/7,083,138.49 - Step 6: Final answer
x = 9,430,308.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.