Home / 11,829.20-17,734.18-4,429.52

Finding the Fourth Proportional to 11,829.20, 17,734.18 and 4,429.52

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Solution

The fourth proportional to 11,829.20, 17,734.18 and 4,429.52 is: 6,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.20 : 17,734.18 = 4,429.52 : x
  2. Step 2: Convert to fraction form
    11,829.20/17,734.18 = 4,429.52/x
  3. Step 3: Cross multiply
    11,829.20x = 17,734.18 × 4,429.52
  4. Step 4: Simplify right side
    11,829.20x = 78,553,904.99
  5. Step 5: Solve for x
    x = 78,553,904.99/11,829.20
  6. Step 6: Final answer
    x = 6,640.68

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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.