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Finding the Fourth Proportional to 8,607.06, 11,874.06 and 6,374.16

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Solution

The fourth proportional to 8,607.06, 11,874.06 and 6,374.16 is: 8,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.06 : 11,874.06 = 6,374.16 : x
  2. Step 2: Convert to fraction form
    8,607.06/11,874.06 = 6,374.16/x
  3. Step 3: Cross multiply
    8,607.06x = 11,874.06 × 6,374.16
  4. Step 4: Simplify right side
    8,607.06x = 75,687,158.29
  5. Step 5: Solve for x
    x = 75,687,158.29/8,607.06
  6. Step 6: Final answer
    x = 8,793.61

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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.