Home / 10,288.46-15,432.71-2,497.28

Finding the Fourth Proportional to 10,288.46, 15,432.71 and 2,497.28

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Solution

The fourth proportional to 10,288.46, 15,432.71 and 2,497.28 is: 3,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.46 : 15,432.71 = 2,497.28 : x
  2. Step 2: Convert to fraction form
    10,288.46/15,432.71 = 2,497.28/x
  3. Step 3: Cross multiply
    10,288.46x = 15,432.71 × 2,497.28
  4. Step 4: Simplify right side
    10,288.46x = 38,539,708.38
  5. Step 5: Solve for x
    x = 38,539,708.38/10,288.46
  6. Step 6: Final answer
    x = 3,745.92

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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.