Home / 8,238.97-12,360.51-2,692.63

Finding the Fourth Proportional to 8,238.97, 12,360.51 and 2,692.63

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Solution

The fourth proportional to 8,238.97, 12,360.51 and 2,692.63 is: 4,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.97 : 12,360.51 = 2,692.63 : x
  2. Step 2: Convert to fraction form
    8,238.97/12,360.51 = 2,692.63/x
  3. Step 3: Cross multiply
    8,238.97x = 12,360.51 × 2,692.63
  4. Step 4: Simplify right side
    8,238.97x = 33,282,280.04
  5. Step 5: Solve for x
    x = 33,282,280.04/8,238.97
  6. Step 6: Final answer
    x = 4,039.62

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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.