Home / 11,731.92-17,583.12-8,382.73

Finding the Fourth Proportional to 11,731.92, 17,583.12 and 8,382.73

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Solution

The fourth proportional to 11,731.92, 17,583.12 and 8,382.73 is: 12,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.92 : 17,583.12 = 8,382.73 : x
  2. Step 2: Convert to fraction form
    11,731.92/17,583.12 = 8,382.73/x
  3. Step 3: Cross multiply
    11,731.92x = 17,583.12 × 8,382.73
  4. Step 4: Simplify right side
    11,731.92x = 147,394,547.52
  5. Step 5: Solve for x
    x = 147,394,547.52/11,731.92
  6. Step 6: Final answer
    x = 12,563.55

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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.