Home / 10,729.31-16,067.97-5,450.43

Finding the Fourth Proportional to 10,729.31, 16,067.97 and 5,450.43

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Solution

The fourth proportional to 10,729.31, 16,067.97 and 5,450.43 is: 8,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.31 : 16,067.97 = 5,450.43 : x
  2. Step 2: Convert to fraction form
    10,729.31/16,067.97 = 5,450.43/x
  3. Step 3: Cross multiply
    10,729.31x = 16,067.97 × 5,450.43
  4. Step 4: Simplify right side
    10,729.31x = 87,577,345.73
  5. Step 5: Solve for x
    x = 87,577,345.73/10,729.31
  6. Step 6: Final answer
    x = 8,162.44

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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.