Home / 11,198.73-15,455.15-6,163.90

Finding the Fourth Proportional to 11,198.73, 15,455.15 and 6,163.90

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Solution

The fourth proportional to 11,198.73, 15,455.15 and 6,163.90 is: 8,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.73 : 15,455.15 = 6,163.90 : x
  2. Step 2: Convert to fraction form
    11,198.73/15,455.15 = 6,163.90/x
  3. Step 3: Cross multiply
    11,198.73x = 15,455.15 × 6,163.90
  4. Step 4: Simplify right side
    11,198.73x = 95,263,999.09
  5. Step 5: Solve for x
    x = 95,263,999.09/11,198.73
  6. Step 6: Final answer
    x = 8,506.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.