Home / 10,739.31-16,105.32-4,163.73

Finding the Fourth Proportional to 10,739.31, 16,105.32 and 4,163.73

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Solution

The fourth proportional to 10,739.31, 16,105.32 and 4,163.73 is: 6,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.31 : 16,105.32 = 4,163.73 : x
  2. Step 2: Convert to fraction form
    10,739.31/16,105.32 = 4,163.73/x
  3. Step 3: Cross multiply
    10,739.31x = 16,105.32 × 4,163.73
  4. Step 4: Simplify right side
    10,739.31x = 67,058,204.04
  5. Step 5: Solve for x
    x = 67,058,204.04/10,739.31
  6. Step 6: Final answer
    x = 6,244.18

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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.