Home / 11,964.74-17,947.12-3,199.70

Finding the Fourth Proportional to 11,964.74, 17,947.12 and 3,199.70

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Solution

The fourth proportional to 11,964.74, 17,947.12 and 3,199.70 is: 4,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.74 : 17,947.12 = 3,199.70 : x
  2. Step 2: Convert to fraction form
    11,964.74/17,947.12 = 3,199.70/x
  3. Step 3: Cross multiply
    11,964.74x = 17,947.12 × 3,199.70
  4. Step 4: Simplify right side
    11,964.74x = 57,425,399.86
  5. Step 5: Solve for x
    x = 57,425,399.86/11,964.74
  6. Step 6: Final answer
    x = 4,799.55

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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.