Home / 11,623.62-17,424.26-3,721.80

Finding the Fourth Proportional to 11,623.62, 17,424.26 and 3,721.80

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Solution

The fourth proportional to 11,623.62, 17,424.26 and 3,721.80 is: 5,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.62 : 17,424.26 = 3,721.80 : x
  2. Step 2: Convert to fraction form
    11,623.62/17,424.26 = 3,721.80/x
  3. Step 3: Cross multiply
    11,623.62x = 17,424.26 × 3,721.80
  4. Step 4: Simplify right side
    11,623.62x = 64,849,610.87
  5. Step 5: Solve for x
    x = 64,849,610.87/11,623.62
  6. Step 6: Final answer
    x = 5,579.12

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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.