Home / 10,961.92-16,444.50-3,169.72

Finding the Fourth Proportional to 10,961.92, 16,444.50 and 3,169.72

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Solution

The fourth proportional to 10,961.92, 16,444.50 and 3,169.72 is: 4,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.92 : 16,444.50 = 3,169.72 : x
  2. Step 2: Convert to fraction form
    10,961.92/16,444.50 = 3,169.72/x
  3. Step 3: Cross multiply
    10,961.92x = 16,444.50 × 3,169.72
  4. Step 4: Simplify right side
    10,961.92x = 52,124,460.54
  5. Step 5: Solve for x
    x = 52,124,460.54/10,961.92
  6. Step 6: Final answer
    x = 4,755.05

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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.