Home / 10,251.20-15,360.60-8,598.80

Finding the Fourth Proportional to 10,251.20, 15,360.60 and 8,598.80

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Solution

The fourth proportional to 10,251.20, 15,360.60 and 8,598.80 is: 12,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.20 : 15,360.60 = 8,598.80 : x
  2. Step 2: Convert to fraction form
    10,251.20/15,360.60 = 8,598.80/x
  3. Step 3: Cross multiply
    10,251.20x = 15,360.60 × 8,598.80
  4. Step 4: Simplify right side
    10,251.20x = 132,082,727.28
  5. Step 5: Solve for x
    x = 132,082,727.28/10,251.20
  6. Step 6: Final answer
    x = 12,884.61

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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.