Home / 11,747.42-17,621.48-2,982.32

Finding the Fourth Proportional to 11,747.42, 17,621.48 and 2,982.32

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Solution

The fourth proportional to 11,747.42, 17,621.48 and 2,982.32 is: 4,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.42 : 17,621.48 = 2,982.32 : x
  2. Step 2: Convert to fraction form
    11,747.42/17,621.48 = 2,982.32/x
  3. Step 3: Cross multiply
    11,747.42x = 17,621.48 × 2,982.32
  4. Step 4: Simplify right side
    11,747.42x = 52,552,892.23
  5. Step 5: Solve for x
    x = 52,552,892.23/11,747.42
  6. Step 6: Final answer
    x = 4,473.57

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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.