Home / 8,132.36-12,200.58-3,752.87

Finding the Fourth Proportional to 8,132.36, 12,200.58 and 3,752.87

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Solution

The fourth proportional to 8,132.36, 12,200.58 and 3,752.87 is: 5,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.36 : 12,200.58 = 3,752.87 : x
  2. Step 2: Convert to fraction form
    8,132.36/12,200.58 = 3,752.87/x
  3. Step 3: Cross multiply
    8,132.36x = 12,200.58 × 3,752.87
  4. Step 4: Simplify right side
    8,132.36x = 45,787,129.66
  5. Step 5: Solve for x
    x = 45,787,129.66/8,132.36
  6. Step 6: Final answer
    x = 5,630.24

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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.