Home / 8,270.10-12,403.68-2,723.52

Finding the Fourth Proportional to 8,270.10, 12,403.68 and 2,723.52

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Solution

The fourth proportional to 8,270.10, 12,403.68 and 2,723.52 is: 4,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.10 : 12,403.68 = 2,723.52 : x
  2. Step 2: Convert to fraction form
    8,270.10/12,403.68 = 2,723.52/x
  3. Step 3: Cross multiply
    8,270.10x = 12,403.68 × 2,723.52
  4. Step 4: Simplify right side
    8,270.10x = 33,781,670.55
  5. Step 5: Solve for x
    x = 33,781,670.55/8,270.10
  6. Step 6: Final answer
    x = 4,084.80

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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.