Home / 10,429.45-15,644.25-3,503.95

Finding the Fourth Proportional to 10,429.45, 15,644.25 and 3,503.95

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Solution

The fourth proportional to 10,429.45, 15,644.25 and 3,503.95 is: 5,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.45 : 15,644.25 = 3,503.95 : x
  2. Step 2: Convert to fraction form
    10,429.45/15,644.25 = 3,503.95/x
  3. Step 3: Cross multiply
    10,429.45x = 15,644.25 × 3,503.95
  4. Step 4: Simplify right side
    10,429.45x = 54,816,630.68
  5. Step 5: Solve for x
    x = 54,816,630.68/10,429.45
  6. Step 6: Final answer
    x = 5,255.95

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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.