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Finding the Fourth Proportional to 10,809.38, 14,916.94 and 5,841.38

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Solution

The fourth proportional to 10,809.38, 14,916.94 and 5,841.38 is: 8,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.38 : 14,916.94 = 5,841.38 : x
  2. Step 2: Convert to fraction form
    10,809.38/14,916.94 = 5,841.38/x
  3. Step 3: Cross multiply
    10,809.38x = 14,916.94 × 5,841.38
  4. Step 4: Simplify right side
    10,809.38x = 87,135,514.98
  5. Step 5: Solve for x
    x = 87,135,514.98/10,809.38
  6. Step 6: Final answer
    x = 8,061.10

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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.