Home / 8,150.45-12,225.66-5,356.92

Finding the Fourth Proportional to 8,150.45, 12,225.66 and 5,356.92

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Solution

The fourth proportional to 8,150.45, 12,225.66 and 5,356.92 is: 8,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.45 : 12,225.66 = 5,356.92 : x
  2. Step 2: Convert to fraction form
    8,150.45/12,225.66 = 5,356.92/x
  3. Step 3: Cross multiply
    8,150.45x = 12,225.66 × 5,356.92
  4. Step 4: Simplify right side
    8,150.45x = 65,491,882.57
  5. Step 5: Solve for x
    x = 65,491,882.57/8,150.45
  6. Step 6: Final answer
    x = 8,035.38

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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.