Home / 8,087.73-12,125.76-2,538.09

Finding the Fourth Proportional to 8,087.73, 12,125.76 and 2,538.09

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Solution

The fourth proportional to 8,087.73, 12,125.76 and 2,538.09 is: 3,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.73 : 12,125.76 = 2,538.09 : x
  2. Step 2: Convert to fraction form
    8,087.73/12,125.76 = 2,538.09/x
  3. Step 3: Cross multiply
    8,087.73x = 12,125.76 × 2,538.09
  4. Step 4: Simplify right side
    8,087.73x = 30,776,270.20
  5. Step 5: Solve for x
    x = 30,776,270.20/8,087.73
  6. Step 6: Final answer
    x = 3,805.30

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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.