Home / 11,982.10-17,973.26-4,190.94

Finding the Fourth Proportional to 11,982.10, 17,973.26 and 4,190.94

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Solution

The fourth proportional to 11,982.10, 17,973.26 and 4,190.94 is: 6,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.10 : 17,973.26 = 4,190.94 : x
  2. Step 2: Convert to fraction form
    11,982.10/17,973.26 = 4,190.94/x
  3. Step 3: Cross multiply
    11,982.10x = 17,973.26 × 4,190.94
  4. Step 4: Simplify right side
    11,982.10x = 75,324,854.26
  5. Step 5: Solve for x
    x = 75,324,854.26/11,982.10
  6. Step 6: Final answer
    x = 6,286.45

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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.