Home / 11,958.19-17,936.88-3,192.64

Finding the Fourth Proportional to 11,958.19, 17,936.88 and 3,192.64

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Solution

The fourth proportional to 11,958.19, 17,936.88 and 3,192.64 is: 4,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.19 : 17,936.88 = 3,192.64 : x
  2. Step 2: Convert to fraction form
    11,958.19/17,936.88 = 3,192.64/x
  3. Step 3: Cross multiply
    11,958.19x = 17,936.88 × 3,192.64
  4. Step 4: Simplify right side
    11,958.19x = 57,266,000.56
  5. Step 5: Solve for x
    x = 57,266,000.56/11,958.19
  6. Step 6: Final answer
    x = 4,788.85

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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.