Home / 11,154.26-16,731.68-3,256.44

Finding the Fourth Proportional to 11,154.26, 16,731.68 and 3,256.44

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Solution

The fourth proportional to 11,154.26, 16,731.68 and 3,256.44 is: 4,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.26 : 16,731.68 = 3,256.44 : x
  2. Step 2: Convert to fraction form
    11,154.26/16,731.68 = 3,256.44/x
  3. Step 3: Cross multiply
    11,154.26x = 16,731.68 × 3,256.44
  4. Step 4: Simplify right side
    11,154.26x = 54,485,695.74
  5. Step 5: Solve for x
    x = 54,485,695.74/11,154.26
  6. Step 6: Final answer
    x = 4,884.75

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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.