Home / 11,216.20-16,824.16-3,425.04

Finding the Fourth Proportional to 11,216.20, 16,824.16 and 3,425.04

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Solution

The fourth proportional to 11,216.20, 16,824.16 and 3,425.04 is: 5,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.20 : 16,824.16 = 3,425.04 : x
  2. Step 2: Convert to fraction form
    11,216.20/16,824.16 = 3,425.04/x
  3. Step 3: Cross multiply
    11,216.20x = 16,824.16 × 3,425.04
  4. Step 4: Simplify right side
    11,216.20x = 57,623,420.97
  5. Step 5: Solve for x
    x = 57,623,420.97/11,216.20
  6. Step 6: Final answer
    x = 5,137.52

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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.