Home / 10,601.60-15,904.20-5,669.90

Finding the Fourth Proportional to 10,601.60, 15,904.20 and 5,669.90

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Solution

The fourth proportional to 10,601.60, 15,904.20 and 5,669.90 is: 8,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,601.60 : 15,904.20 = 5,669.90 : x
  2. Step 2: Convert to fraction form
    10,601.60/15,904.20 = 5,669.90/x
  3. Step 3: Cross multiply
    10,601.60x = 15,904.20 × 5,669.90
  4. Step 4: Simplify right side
    10,601.60x = 90,175,223.58
  5. Step 5: Solve for x
    x = 90,175,223.58/10,601.60
  6. Step 6: Final answer
    x = 8,505.81

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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.