Home / 7,976.38-11,964.72-3,473

Finding the Fourth Proportional to 7,976.38, 11,964.72 and 3,473

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Solution

The fourth proportional to 7,976.38, 11,964.72 and 3,473 is: 5,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.38 : 11,964.72 = 3,473 : x
  2. Step 2: Convert to fraction form
    7,976.38/11,964.72 = 3,473/x
  3. Step 3: Cross multiply
    7,976.38x = 11,964.72 × 3,473
  4. Step 4: Simplify right side
    7,976.38x = 41,553,472.56
  5. Step 5: Solve for x
    x = 41,553,472.56/7,976.38
  6. Step 6: Final answer
    x = 5,209.57

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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.