Home / 8,932.23-12,325.46-5,155.38

Finding the Fourth Proportional to 8,932.23, 12,325.46 and 5,155.38

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Solution

The fourth proportional to 8,932.23, 12,325.46 and 5,155.38 is: 7,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.23 : 12,325.46 = 5,155.38 : x
  2. Step 2: Convert to fraction form
    8,932.23/12,325.46 = 5,155.38/x
  3. Step 3: Cross multiply
    8,932.23x = 12,325.46 × 5,155.38
  4. Step 4: Simplify right side
    8,932.23x = 63,542,404.20
  5. Step 5: Solve for x
    x = 63,542,404.20/8,932.23
  6. Step 6: Final answer
    x = 7,113.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.