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Finding the Fourth Proportional to 8,443.94, 11,652.12 and 5,087.84

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Solution

The fourth proportional to 8,443.94, 11,652.12 and 5,087.84 is: 7,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.94 : 11,652.12 = 5,087.84 : x
  2. Step 2: Convert to fraction form
    8,443.94/11,652.12 = 5,087.84/x
  3. Step 3: Cross multiply
    8,443.94x = 11,652.12 × 5,087.84
  4. Step 4: Simplify right side
    8,443.94x = 59,284,063.96
  5. Step 5: Solve for x
    x = 59,284,063.96/8,443.94
  6. Step 6: Final answer
    x = 7,020.90

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Similar ratio
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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.