Home / 8,432.98-12,652.40-3,756.31

Finding the Fourth Proportional to 8,432.98, 12,652.40 and 3,756.31

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Solution

The fourth proportional to 8,432.98, 12,652.40 and 3,756.31 is: 5,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.98 : 12,652.40 = 3,756.31 : x
  2. Step 2: Convert to fraction form
    8,432.98/12,652.40 = 3,756.31/x
  3. Step 3: Cross multiply
    8,432.98x = 12,652.40 × 3,756.31
  4. Step 4: Simplify right side
    8,432.98x = 47,526,314.40
  5. Step 5: Solve for x
    x = 47,526,314.40/8,432.98
  6. Step 6: Final answer
    x = 5,635.77

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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.