Home / 10,874.20-15,006.36-6,158.56

Finding the Fourth Proportional to 10,874.20, 15,006.36 and 6,158.56

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Solution

The fourth proportional to 10,874.20, 15,006.36 and 6,158.56 is: 8,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.20 : 15,006.36 = 6,158.56 : x
  2. Step 2: Convert to fraction form
    10,874.20/15,006.36 = 6,158.56/x
  3. Step 3: Cross multiply
    10,874.20x = 15,006.36 × 6,158.56
  4. Step 4: Simplify right side
    10,874.20x = 92,417,568.44
  5. Step 5: Solve for x
    x = 92,417,568.44/10,874.20
  6. Step 6: Final answer
    x = 8,498.79

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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.