Home / 11,209.19-16,799.92-5,664.11

Finding the Fourth Proportional to 11,209.19, 16,799.92 and 5,664.11

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Solution

The fourth proportional to 11,209.19, 16,799.92 and 5,664.11 is: 8,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.19 : 16,799.92 = 5,664.11 : x
  2. Step 2: Convert to fraction form
    11,209.19/16,799.92 = 5,664.11/x
  3. Step 3: Cross multiply
    11,209.19x = 16,799.92 × 5,664.11
  4. Step 4: Simplify right side
    11,209.19x = 95,156,594.87
  5. Step 5: Solve for x
    x = 95,156,594.87/11,209.19
  6. Step 6: Final answer
    x = 8,489.16

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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.