Home / 12,529.20-18,792.18-4,737

Finding the Fourth Proportional to 12,529.20, 18,792.18 and 4,737

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Solution

The fourth proportional to 12,529.20, 18,792.18 and 4,737 is: 7,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.20 : 18,792.18 = 4,737 : x
  2. Step 2: Convert to fraction form
    12,529.20/18,792.18 = 4,737/x
  3. Step 3: Cross multiply
    12,529.20x = 18,792.18 × 4,737
  4. Step 4: Simplify right side
    12,529.20x = 89,018,556.66
  5. Step 5: Solve for x
    x = 89,018,556.66/12,529.20
  6. Step 6: Final answer
    x = 7,104.89

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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.