Home / 10,949.80-16,425.96-3,158.68

Finding the Fourth Proportional to 10,949.80, 16,425.96 and 3,158.68

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Solution

The fourth proportional to 10,949.80, 16,425.96 and 3,158.68 is: 4,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.80 : 16,425.96 = 3,158.68 : x
  2. Step 2: Convert to fraction form
    10,949.80/16,425.96 = 3,158.68/x
  3. Step 3: Cross multiply
    10,949.80x = 16,425.96 × 3,158.68
  4. Step 4: Simplify right side
    10,949.80x = 51,884,351.33
  5. Step 5: Solve for x
    x = 51,884,351.33/10,949.80
  6. Step 6: Final answer
    x = 4,738.38

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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.