Home / 10,743.97-16,105.47-4,505.85

Finding the Fourth Proportional to 10,743.97, 16,105.47 and 4,505.85

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Solution

The fourth proportional to 10,743.97, 16,105.47 and 4,505.85 is: 6,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.97 : 16,105.47 = 4,505.85 : x
  2. Step 2: Convert to fraction form
    10,743.97/16,105.47 = 4,505.85/x
  3. Step 3: Cross multiply
    10,743.97x = 16,105.47 × 4,505.85
  4. Step 4: Simplify right side
    10,743.97x = 72,568,892.40
  5. Step 5: Solve for x
    x = 72,568,892.40/10,743.97
  6. Step 6: Final answer
    x = 6,754.38

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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.