Home / 11,209.16-16,812.66-3,418.04

Finding the Fourth Proportional to 11,209.16, 16,812.66 and 3,418.04

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Solution

The fourth proportional to 11,209.16, 16,812.66 and 3,418.04 is: 5,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.16 : 16,812.66 = 3,418.04 : x
  2. Step 2: Convert to fraction form
    11,209.16/16,812.66 = 3,418.04/x
  3. Step 3: Cross multiply
    11,209.16x = 16,812.66 × 3,418.04
  4. Step 4: Simplify right side
    11,209.16x = 57,466,344.39
  5. Step 5: Solve for x
    x = 57,466,344.39/11,209.16
  6. Step 6: Final answer
    x = 5,126.73

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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.