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Finding the Fourth Proportional to 10,809.39, 14,916.93 and 5,841.39

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Solution

The fourth proportional to 10,809.39, 14,916.93 and 5,841.39 is: 8,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.39 : 14,916.93 = 5,841.39 : x
  2. Step 2: Convert to fraction form
    10,809.39/14,916.93 = 5,841.39/x
  3. Step 3: Cross multiply
    10,809.39x = 14,916.93 × 5,841.39
  4. Step 4: Simplify right side
    10,809.39x = 87,135,605.73
  5. Step 5: Solve for x
    x = 87,135,605.73/10,809.39
  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.