Home / 8,132.16-12,193.92-3,745.88

Finding the Fourth Proportional to 8,132.16, 12,193.92 and 3,745.88

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Solution

The fourth proportional to 8,132.16, 12,193.92 and 3,745.88 is: 5,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.16 : 12,193.92 = 3,745.88 : x
  2. Step 2: Convert to fraction form
    8,132.16/12,193.92 = 3,745.88/x
  3. Step 3: Cross multiply
    8,132.16x = 12,193.92 × 3,745.88
  4. Step 4: Simplify right side
    8,132.16x = 45,676,900.08
  5. Step 5: Solve for x
    x = 45,676,900.08/8,132.16
  6. Step 6: Final answer
    x = 5,616.82

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1.5x scale

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.