Home / 11,198.44-15,450.24-7,212.52

Finding the Fourth Proportional to 11,198.44, 15,450.24 and 7,212.52

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Solution

The fourth proportional to 11,198.44, 15,450.24 and 7,212.52 is: 9,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.44 : 15,450.24 = 7,212.52 : x
  2. Step 2: Convert to fraction form
    11,198.44/15,450.24 = 7,212.52/x
  3. Step 3: Cross multiply
    11,198.44x = 15,450.24 × 7,212.52
  4. Step 4: Simplify right side
    11,198.44x = 111,435,165.00
  5. Step 5: Solve for x
    x = 111,435,165.00/11,198.44
  6. Step 6: Final answer
    x = 9,950.95

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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.