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Finding the Fourth Proportional to 8,463.62, 12,753.63 and 7,015.37

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Solution

The fourth proportional to 8,463.62, 12,753.63 and 7,015.37 is: 10,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.62 : 12,753.63 = 7,015.37 : x
  2. Step 2: Convert to fraction form
    8,463.62/12,753.63 = 7,015.37/x
  3. Step 3: Cross multiply
    8,463.62x = 12,753.63 × 7,015.37
  4. Step 4: Simplify right side
    8,463.62x = 89,471,366.33
  5. Step 5: Solve for x
    x = 89,471,366.33/8,463.62
  6. Step 6: Final answer
    x = 10,571.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.