Home / 12,198.06-18,297.24-3,313.82

Finding the Fourth Proportional to 12,198.06, 18,297.24 and 3,313.82

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Solution

The fourth proportional to 12,198.06, 18,297.24 and 3,313.82 is: 4,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.06 : 18,297.24 = 3,313.82 : x
  2. Step 2: Convert to fraction form
    12,198.06/18,297.24 = 3,313.82/x
  3. Step 3: Cross multiply
    12,198.06x = 18,297.24 × 3,313.82
  4. Step 4: Simplify right side
    12,198.06x = 60,633,793.17
  5. Step 5: Solve for x
    x = 60,633,793.17/12,198.06
  6. Step 6: Final answer
    x = 4,970.77

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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.