Home / 11,823.72-17,731.68-3,924.44

Finding the Fourth Proportional to 11,823.72, 17,731.68 and 3,924.44

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Solution

The fourth proportional to 11,823.72, 17,731.68 and 3,924.44 is: 5,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.72 : 17,731.68 = 3,924.44 : x
  2. Step 2: Convert to fraction form
    11,823.72/17,731.68 = 3,924.44/x
  3. Step 3: Cross multiply
    11,823.72x = 17,731.68 × 3,924.44
  4. Step 4: Simplify right side
    11,823.72x = 69,586,914.26
  5. Step 5: Solve for x
    x = 69,586,914.26/11,823.72
  6. Step 6: Final answer
    x = 5,885.37

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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.