Home / 11,748.88-17,621.32-3,851.24

Finding the Fourth Proportional to 11,748.88, 17,621.32 and 3,851.24

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Solution

The fourth proportional to 11,748.88, 17,621.32 and 3,851.24 is: 5,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.88 : 17,621.32 = 3,851.24 : x
  2. Step 2: Convert to fraction form
    11,748.88/17,621.32 = 3,851.24/x
  3. Step 3: Cross multiply
    11,748.88x = 17,621.32 × 3,851.24
  4. Step 4: Simplify right side
    11,748.88x = 67,863,932.44
  5. Step 5: Solve for x
    x = 67,863,932.44/11,748.88
  6. Step 6: Final answer
    x = 5,776.20

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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.