Home / 8,198.73-11,310.99-5,049.45

Finding the Fourth Proportional to 8,198.73, 11,310.99 and 5,049.45

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Solution

The fourth proportional to 8,198.73, 11,310.99 and 5,049.45 is: 6,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.73 : 11,310.99 = 5,049.45 : x
  2. Step 2: Convert to fraction form
    8,198.73/11,310.99 = 5,049.45/x
  3. Step 3: Cross multiply
    8,198.73x = 11,310.99 × 5,049.45
  4. Step 4: Simplify right side
    8,198.73x = 57,114,278.46
  5. Step 5: Solve for x
    x = 57,114,278.46/8,198.73
  6. Step 6: Final answer
    x = 6,966.23

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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.