Home / 8,274.06-12,408.04-2,725.80

Finding the Fourth Proportional to 8,274.06, 12,408.04 and 2,725.80

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Solution

The fourth proportional to 8,274.06, 12,408.04 and 2,725.80 is: 4,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.06 : 12,408.04 = 2,725.80 : x
  2. Step 2: Convert to fraction form
    8,274.06/12,408.04 = 2,725.80/x
  3. Step 3: Cross multiply
    8,274.06x = 12,408.04 × 2,725.80
  4. Step 4: Simplify right side
    8,274.06x = 33,821,835.43
  5. Step 5: Solve for x
    x = 33,821,835.43/8,274.06
  6. Step 6: Final answer
    x = 4,087.70

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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.