Home / 11,721.87-17,559.24-5,473.26

Finding the Fourth Proportional to 11,721.87, 17,559.24 and 5,473.26

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Solution

The fourth proportional to 11,721.87, 17,559.24 and 5,473.26 is: 8,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.87 : 17,559.24 = 5,473.26 : x
  2. Step 2: Convert to fraction form
    11,721.87/17,559.24 = 5,473.26/x
  3. Step 3: Cross multiply
    11,721.87x = 17,559.24 × 5,473.26
  4. Step 4: Simplify right side
    11,721.87x = 96,106,285.92
  5. Step 5: Solve for x
    x = 96,106,285.92/11,721.87
  6. Step 6: Final answer
    x = 8,198.89

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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.