Home / 8,045.87-12,062.32-3,432.11

Finding the Fourth Proportional to 8,045.87, 12,062.32 and 3,432.11

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Solution

The fourth proportional to 8,045.87, 12,062.32 and 3,432.11 is: 5,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.87 : 12,062.32 = 3,432.11 : x
  2. Step 2: Convert to fraction form
    8,045.87/12,062.32 = 3,432.11/x
  3. Step 3: Cross multiply
    8,045.87x = 12,062.32 × 3,432.11
  4. Step 4: Simplify right side
    8,045.87x = 41,399,140.20
  5. Step 5: Solve for x
    x = 41,399,140.20/8,045.87
  6. Step 6: Final answer
    x = 5,145.39

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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.