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Finding the Fourth Proportional to 8,363.92, 12,537.46 and 5,246.12

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Solution

The fourth proportional to 8,363.92, 12,537.46 and 5,246.12 is: 7,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.92 : 12,537.46 = 5,246.12 : x
  2. Step 2: Convert to fraction form
    8,363.92/12,537.46 = 5,246.12/x
  3. Step 3: Cross multiply
    8,363.92x = 12,537.46 × 5,246.12
  4. Step 4: Simplify right side
    8,363.92x = 65,773,019.66
  5. Step 5: Solve for x
    x = 65,773,019.66/8,363.92
  6. Step 6: Final answer
    x = 7,863.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.