Home / 11,747.88-17,621.88-2,982.84

Finding the Fourth Proportional to 11,747.88, 17,621.88 and 2,982.84

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Solution

The fourth proportional to 11,747.88, 17,621.88 and 2,982.84 is: 4,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.88 : 17,621.88 = 2,982.84 : x
  2. Step 2: Convert to fraction form
    11,747.88/17,621.88 = 2,982.84/x
  3. Step 3: Cross multiply
    11,747.88x = 17,621.88 × 2,982.84
  4. Step 4: Simplify right side
    11,747.88x = 52,563,248.54
  5. Step 5: Solve for x
    x = 52,563,248.54/11,747.88
  6. Step 6: Final answer
    x = 4,474.28

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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.