Home / 10,791.65-16,183.22-5,243.35

Finding the Fourth Proportional to 10,791.65, 16,183.22 and 5,243.35

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Solution

The fourth proportional to 10,791.65, 16,183.22 and 5,243.35 is: 7,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.65 : 16,183.22 = 5,243.35 : x
  2. Step 2: Convert to fraction form
    10,791.65/16,183.22 = 5,243.35/x
  3. Step 3: Cross multiply
    10,791.65x = 16,183.22 × 5,243.35
  4. Step 4: Simplify right side
    10,791.65x = 84,854,286.59
  5. Step 5: Solve for x
    x = 84,854,286.59/10,791.65
  6. Step 6: Final answer
    x = 7,862.96

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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.