Home / 10,769.92-16,155.20-4,197.60

Finding the Fourth Proportional to 10,769.92, 16,155.20 and 4,197.60

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Solution

The fourth proportional to 10,769.92, 16,155.20 and 4,197.60 is: 6,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.92 : 16,155.20 = 4,197.60 : x
  2. Step 2: Convert to fraction form
    10,769.92/16,155.20 = 4,197.60/x
  3. Step 3: Cross multiply
    10,769.92x = 16,155.20 × 4,197.60
  4. Step 4: Simplify right side
    10,769.92x = 67,813,067.52
  5. Step 5: Solve for x
    x = 67,813,067.52/10,769.92
  6. Step 6: Final answer
    x = 6,296.52

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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.