Home / 12,535.28-18,766.36-10,864.36

Finding the Fourth Proportional to 12,535.28, 18,766.36 and 10,864.36

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Solution

The fourth proportional to 12,535.28, 18,766.36 and 10,864.36 is: 16,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.28 : 18,766.36 = 10,864.36 : x
  2. Step 2: Convert to fraction form
    12,535.28/18,766.36 = 10,864.36/x
  3. Step 3: Cross multiply
    12,535.28x = 18,766.36 × 10,864.36
  4. Step 4: Simplify right side
    12,535.28x = 203,884,490.93
  5. Step 5: Solve for x
    x = 203,884,490.93/12,535.28
  6. Step 6: Final answer
    x = 16,264.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.