Home / 11,418.11-17,128.53-4,843.44

Finding the Fourth Proportional to 11,418.11, 17,128.53 and 4,843.44

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Solution

The fourth proportional to 11,418.11, 17,128.53 and 4,843.44 is: 7,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.11 : 17,128.53 = 4,843.44 : x
  2. Step 2: Convert to fraction form
    11,418.11/17,128.53 = 4,843.44/x
  3. Step 3: Cross multiply
    11,418.11x = 17,128.53 × 4,843.44
  4. Step 4: Simplify right side
    11,418.11x = 82,961,007.34
  5. Step 5: Solve for x
    x = 82,961,007.34/11,418.11
  6. Step 6: Final answer
    x = 7,265.74

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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.