Home / 10,961.18-16,429.44-5,402.76

Finding the Fourth Proportional to 10,961.18, 16,429.44 and 5,402.76

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Solution

The fourth proportional to 10,961.18, 16,429.44 and 5,402.76 is: 8,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.18 : 16,429.44 = 5,402.76 : x
  2. Step 2: Convert to fraction form
    10,961.18/16,429.44 = 5,402.76/x
  3. Step 3: Cross multiply
    10,961.18x = 16,429.44 × 5,402.76
  4. Step 4: Simplify right side
    10,961.18x = 88,764,321.25
  5. Step 5: Solve for x
    x = 88,764,321.25/10,961.18
  6. Step 6: Final answer
    x = 8,098.06

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1.5x scale

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.