Home / 10,961.99-16,445.43-3,171.41

Finding the Fourth Proportional to 10,961.99, 16,445.43 and 3,171.41

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Solution

The fourth proportional to 10,961.99, 16,445.43 and 3,171.41 is: 4,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.99 : 16,445.43 = 3,171.41 : x
  2. Step 2: Convert to fraction form
    10,961.99/16,445.43 = 3,171.41/x
  3. Step 3: Cross multiply
    10,961.99x = 16,445.43 × 3,171.41
  4. Step 4: Simplify right side
    10,961.99x = 52,155,201.16
  5. Step 5: Solve for x
    x = 52,155,201.16/10,961.99
  6. Step 6: Final answer
    x = 4,757.82

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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.