Home / 8,117.33-12,174.83-2,194.56

Finding the Fourth Proportional to 8,117.33, 12,174.83 and 2,194.56

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Solution

The fourth proportional to 8,117.33, 12,174.83 and 2,194.56 is: 3,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.33 : 12,174.83 = 2,194.56 : x
  2. Step 2: Convert to fraction form
    8,117.33/12,174.83 = 2,194.56/x
  3. Step 3: Cross multiply
    8,117.33x = 12,174.83 × 2,194.56
  4. Step 4: Simplify right side
    8,117.33x = 26,718,383.95
  5. Step 5: Solve for x
    x = 26,718,383.95/8,117.33
  6. Step 6: Final answer
    x = 3,291.53

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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.