Home / 11,179.99-16,772.41-3,389.39

Finding the Fourth Proportional to 11,179.99, 16,772.41 and 3,389.39

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Solution

The fourth proportional to 11,179.99, 16,772.41 and 3,389.39 is: 5,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.99 : 16,772.41 = 3,389.39 : x
  2. Step 2: Convert to fraction form
    11,179.99/16,772.41 = 3,389.39/x
  3. Step 3: Cross multiply
    11,179.99x = 16,772.41 × 3,389.39
  4. Step 4: Simplify right side
    11,179.99x = 56,848,221.78
  5. Step 5: Solve for x
    x = 56,848,221.78/11,179.99
  6. Step 6: Final answer
    x = 5,084.82

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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.