Home / 11,163.97-16,749.77-6,998.95

Finding the Fourth Proportional to 11,163.97, 16,749.77 and 6,998.95

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Solution

The fourth proportional to 11,163.97, 16,749.77 and 6,998.95 is: 10,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.97 : 16,749.77 = 6,998.95 : x
  2. Step 2: Convert to fraction form
    11,163.97/16,749.77 = 6,998.95/x
  3. Step 3: Cross multiply
    11,163.97x = 16,749.77 × 6,998.95
  4. Step 4: Simplify right side
    11,163.97x = 117,230,725.87
  5. Step 5: Solve for x
    x = 117,230,725.87/11,163.97
  6. Step 6: Final answer
    x = 10,500.81

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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.