Home / 11,242.50-16,863.84-3,451.92

Finding the Fourth Proportional to 11,242.50, 16,863.84 and 3,451.92

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Solution

The fourth proportional to 11,242.50, 16,863.84 and 3,451.92 is: 5,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.50 : 16,863.84 = 3,451.92 : x
  2. Step 2: Convert to fraction form
    11,242.50/16,863.84 = 3,451.92/x
  3. Step 3: Cross multiply
    11,242.50x = 16,863.84 × 3,451.92
  4. Step 4: Simplify right side
    11,242.50x = 58,212,626.57
  5. Step 5: Solve for x
    x = 58,212,626.57/11,242.50
  6. Step 6: Final answer
    x = 5,177.91

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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.