Home / 11,814.30-17,721.18-3,049.56

Finding the Fourth Proportional to 11,814.30, 17,721.18 and 3,049.56

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Solution

The fourth proportional to 11,814.30, 17,721.18 and 3,049.56 is: 4,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.30 : 17,721.18 = 3,049.56 : x
  2. Step 2: Convert to fraction form
    11,814.30/17,721.18 = 3,049.56/x
  3. Step 3: Cross multiply
    11,814.30x = 17,721.18 × 3,049.56
  4. Step 4: Simplify right side
    11,814.30x = 54,041,801.68
  5. Step 5: Solve for x
    x = 54,041,801.68/11,814.30
  6. Step 6: Final answer
    x = 4,574.27

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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.