Home / 10,949.72-16,424.22-3,159.32

Finding the Fourth Proportional to 10,949.72, 16,424.22 and 3,159.32

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Solution

The fourth proportional to 10,949.72, 16,424.22 and 3,159.32 is: 4,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.72 : 16,424.22 = 3,159.32 : x
  2. Step 2: Convert to fraction form
    10,949.72/16,424.22 = 3,159.32/x
  3. Step 3: Cross multiply
    10,949.72x = 16,424.22 × 3,159.32
  4. Step 4: Simplify right side
    10,949.72x = 51,889,366.73
  5. Step 5: Solve for x
    x = 51,889,366.73/10,949.72
  6. Step 6: Final answer
    x = 4,738.88

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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.