Home / 8,511.39-12,766.65-2,588.01

Finding the Fourth Proportional to 8,511.39, 12,766.65 and 2,588.01

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Solution

The fourth proportional to 8,511.39, 12,766.65 and 2,588.01 is: 3,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.39 : 12,766.65 = 2,588.01 : x
  2. Step 2: Convert to fraction form
    8,511.39/12,766.65 = 2,588.01/x
  3. Step 3: Cross multiply
    8,511.39x = 12,766.65 × 2,588.01
  4. Step 4: Simplify right side
    8,511.39x = 33,040,217.87
  5. Step 5: Solve for x
    x = 33,040,217.87/8,511.39
  6. Step 6: Final answer
    x = 3,881.88

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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.