Home / 11,151.15-16,724.12-3,251.63

Finding the Fourth Proportional to 11,151.15, 16,724.12 and 3,251.63

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Solution

The fourth proportional to 11,151.15, 16,724.12 and 3,251.63 is: 4,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.15 : 16,724.12 = 3,251.63 : x
  2. Step 2: Convert to fraction form
    11,151.15/16,724.12 = 3,251.63/x
  3. Step 3: Cross multiply
    11,151.15x = 16,724.12 × 3,251.63
  4. Step 4: Simplify right side
    11,151.15x = 54,380,550.44
  5. Step 5: Solve for x
    x = 54,380,550.44/11,151.15
  6. Step 6: Final answer
    x = 4,876.68

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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.