Home / 11,142.30-16,712.88-3,746.82

Finding the Fourth Proportional to 11,142.30, 16,712.88 and 3,746.82

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Solution

The fourth proportional to 11,142.30, 16,712.88 and 3,746.82 is: 5,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.30 : 16,712.88 = 3,746.82 : x
  2. Step 2: Convert to fraction form
    11,142.30/16,712.88 = 3,746.82/x
  3. Step 3: Cross multiply
    11,142.30x = 16,712.88 × 3,746.82
  4. Step 4: Simplify right side
    11,142.30x = 62,620,153.04
  5. Step 5: Solve for x
    x = 62,620,153.04/11,142.30
  6. Step 6: Final answer
    x = 5,620.04

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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.