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Finding the Fourth Proportional to 8,914.96, 12,304.47 and 5,930.92

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Solution

The fourth proportional to 8,914.96, 12,304.47 and 5,930.92 is: 8,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.96 : 12,304.47 = 5,930.92 : x
  2. Step 2: Convert to fraction form
    8,914.96/12,304.47 = 5,930.92/x
  3. Step 3: Cross multiply
    8,914.96x = 12,304.47 × 5,930.92
  4. Step 4: Simplify right side
    8,914.96x = 72,976,827.21
  5. Step 5: Solve for x
    x = 72,976,827.21/8,914.96
  6. Step 6: Final answer
    x = 8,185.88

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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.