Home / 10,288.55-15,432.76-2,497.31

Finding the Fourth Proportional to 10,288.55, 15,432.76 and 2,497.31

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Solution

The fourth proportional to 10,288.55, 15,432.76 and 2,497.31 is: 3,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.55 : 15,432.76 = 2,497.31 : x
  2. Step 2: Convert to fraction form
    10,288.55/15,432.76 = 2,497.31/x
  3. Step 3: Cross multiply
    10,288.55x = 15,432.76 × 2,497.31
  4. Step 4: Simplify right side
    10,288.55x = 38,540,302.47
  5. Step 5: Solve for x
    x = 38,540,302.47/10,288.55
  6. Step 6: Final answer
    x = 3,745.94

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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.