Home / 11,711.38-17,564.96-3,389.36

Finding the Fourth Proportional to 11,711.38, 17,564.96 and 3,389.36

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Solution

The fourth proportional to 11,711.38, 17,564.96 and 3,389.36 is: 5,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.38 : 17,564.96 = 3,389.36 : x
  2. Step 2: Convert to fraction form
    11,711.38/17,564.96 = 3,389.36/x
  3. Step 3: Cross multiply
    11,711.38x = 17,564.96 × 3,389.36
  4. Step 4: Simplify right side
    11,711.38x = 59,533,972.83
  5. Step 5: Solve for x
    x = 59,533,972.83/11,711.38
  6. Step 6: Final answer
    x = 5,083.43

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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.