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Finding the Fourth Proportional to 8,874.43, 12,233.98 and 6,982.73

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Solution

The fourth proportional to 8,874.43, 12,233.98 and 6,982.73 is: 9,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.43 : 12,233.98 = 6,982.73 : x
  2. Step 2: Convert to fraction form
    8,874.43/12,233.98 = 6,982.73/x
  3. Step 3: Cross multiply
    8,874.43x = 12,233.98 × 6,982.73
  4. Step 4: Simplify right side
    8,874.43x = 85,426,579.17
  5. Step 5: Solve for x
    x = 85,426,579.17/8,874.43
  6. Step 6: Final answer
    x = 9,626.15

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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.