Home / 10,961.26-16,447.29-6,800.20

Finding the Fourth Proportional to 10,961.26, 16,447.29 and 6,800.20

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Solution

The fourth proportional to 10,961.26, 16,447.29 and 6,800.20 is: 10,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.26 : 16,447.29 = 6,800.20 : x
  2. Step 2: Convert to fraction form
    10,961.26/16,447.29 = 6,800.20/x
  3. Step 3: Cross multiply
    10,961.26x = 16,447.29 × 6,800.20
  4. Step 4: Simplify right side
    10,961.26x = 111,844,861.46
  5. Step 5: Solve for x
    x = 111,844,861.46/10,961.26
  6. Step 6: Final answer
    x = 10,203.65

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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.