Home / 11,198.67-16,800.51-3,408.09

Finding the Fourth Proportional to 11,198.67, 16,800.51 and 3,408.09

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Solution

The fourth proportional to 11,198.67, 16,800.51 and 3,408.09 is: 5,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.67 : 16,800.51 = 3,408.09 : x
  2. Step 2: Convert to fraction form
    11,198.67/16,800.51 = 3,408.09/x
  3. Step 3: Cross multiply
    11,198.67x = 16,800.51 × 3,408.09
  4. Step 4: Simplify right side
    11,198.67x = 57,257,650.13
  5. Step 5: Solve for x
    x = 57,257,650.13/11,198.67
  6. Step 6: Final answer
    x = 5,112.90

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1.5x scale

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.