Home / 8,359.31-12,534.32-3,432.41

Finding the Fourth Proportional to 8,359.31, 12,534.32 and 3,432.41

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Solution

The fourth proportional to 8,359.31, 12,534.32 and 3,432.41 is: 5,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.31 : 12,534.32 = 3,432.41 : x
  2. Step 2: Convert to fraction form
    8,359.31/12,534.32 = 3,432.41/x
  3. Step 3: Cross multiply
    8,359.31x = 12,534.32 × 3,432.41
  4. Step 4: Simplify right side
    8,359.31x = 43,022,845.48
  5. Step 5: Solve for x
    x = 43,022,845.48/8,359.31
  6. Step 6: Final answer
    x = 5,146.70

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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.