Home / 11,936.22-17,905.23-3,170.88

Finding the Fourth Proportional to 11,936.22, 17,905.23 and 3,170.88

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Solution

The fourth proportional to 11,936.22, 17,905.23 and 3,170.88 is: 4,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.22 : 17,905.23 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    11,936.22/17,905.23 = 3,170.88/x
  3. Step 3: Cross multiply
    11,936.22x = 17,905.23 × 3,170.88
  4. Step 4: Simplify right side
    11,936.22x = 56,775,335.70
  5. Step 5: Solve for x
    x = 56,775,335.70/11,936.22
  6. Step 6: Final answer
    x = 4,756.56

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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.