Home / 11,140.16-16,712.82-3,242.86

Finding the Fourth Proportional to 11,140.16, 16,712.82 and 3,242.86

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Solution

The fourth proportional to 11,140.16, 16,712.82 and 3,242.86 is: 4,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.16 : 16,712.82 = 3,242.86 : x
  2. Step 2: Convert to fraction form
    11,140.16/16,712.82 = 3,242.86/x
  3. Step 3: Cross multiply
    11,140.16x = 16,712.82 × 3,242.86
  4. Step 4: Simplify right side
    11,140.16x = 54,197,293.68
  5. Step 5: Solve for x
    x = 54,197,293.68/11,140.16
  6. Step 6: Final answer
    x = 4,865.04

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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.