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Finding the Fourth Proportional to 12,168.93, 16,793.10 and 6,863.73

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Solution

The fourth proportional to 12,168.93, 16,793.10 and 6,863.73 is: 9,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.93 : 16,793.10 = 6,863.73 : x
  2. Step 2: Convert to fraction form
    12,168.93/16,793.10 = 6,863.73/x
  3. Step 3: Cross multiply
    12,168.93x = 16,793.10 × 6,863.73
  4. Step 4: Simplify right side
    12,168.93x = 115,263,304.26
  5. Step 5: Solve for x
    x = 115,263,304.26/12,168.93
  6. Step 6: Final answer
    x = 9,471.93

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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.