Home / 11,982.94-17,976.23-3,664.14

Finding the Fourth Proportional to 11,982.94, 17,976.23 and 3,664.14

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Solution

The fourth proportional to 11,982.94, 17,976.23 and 3,664.14 is: 5,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.94 : 17,976.23 = 3,664.14 : x
  2. Step 2: Convert to fraction form
    11,982.94/17,976.23 = 3,664.14/x
  3. Step 3: Cross multiply
    11,982.94x = 17,976.23 × 3,664.14
  4. Step 4: Simplify right side
    11,982.94x = 65,867,351.40
  5. Step 5: Solve for x
    x = 65,867,351.40/11,982.94
  6. Step 6: Final answer
    x = 5,496.76

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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.