Home / 11,333.20-16,983.20-10,163.20

Finding the Fourth Proportional to 11,333.20, 16,983.20 and 10,163.20

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Solution

The fourth proportional to 11,333.20, 16,983.20 and 10,163.20 is: 15,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.20 : 16,983.20 = 10,163.20 : x
  2. Step 2: Convert to fraction form
    11,333.20/16,983.20 = 10,163.20/x
  3. Step 3: Cross multiply
    11,333.20x = 16,983.20 × 10,163.20
  4. Step 4: Simplify right side
    11,333.20x = 172,603,658.24
  5. Step 5: Solve for x
    x = 172,603,658.24/11,333.20
  6. Step 6: Final answer
    x = 15,229.91

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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.