Home / 11,767.77-17,651.12-3,976.65

Finding the Fourth Proportional to 11,767.77, 17,651.12 and 3,976.65

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Solution

The fourth proportional to 11,767.77, 17,651.12 and 3,976.65 is: 5,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.77 : 17,651.12 = 3,976.65 : x
  2. Step 2: Convert to fraction form
    11,767.77/17,651.12 = 3,976.65/x
  3. Step 3: Cross multiply
    11,767.77x = 17,651.12 × 3,976.65
  4. Step 4: Simplify right side
    11,767.77x = 70,192,306.46
  5. Step 5: Solve for x
    x = 70,192,306.46/11,767.77
  6. Step 6: Final answer
    x = 5,964.79

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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.