Home / 11,251.92-16,879.71-3,460.73

Finding the Fourth Proportional to 11,251.92, 16,879.71 and 3,460.73

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Solution

The fourth proportional to 11,251.92, 16,879.71 and 3,460.73 is: 5,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.92 : 16,879.71 = 3,460.73 : x
  2. Step 2: Convert to fraction form
    11,251.92/16,879.71 = 3,460.73/x
  3. Step 3: Cross multiply
    11,251.92x = 16,879.71 × 3,460.73
  4. Step 4: Simplify right side
    11,251.92x = 58,416,101.48
  5. Step 5: Solve for x
    x = 58,416,101.48/11,251.92
  6. Step 6: Final answer
    x = 5,191.66

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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.