Home / 8,175.85-12,254.43-3,723.59

Finding the Fourth Proportional to 8,175.85, 12,254.43 and 3,723.59

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Solution

The fourth proportional to 8,175.85, 12,254.43 and 3,723.59 is: 5,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.85 : 12,254.43 = 3,723.59 : x
  2. Step 2: Convert to fraction form
    8,175.85/12,254.43 = 3,723.59/x
  3. Step 3: Cross multiply
    8,175.85x = 12,254.43 × 3,723.59
  4. Step 4: Simplify right side
    8,175.85x = 45,630,473.00
  5. Step 5: Solve for x
    x = 45,630,473.00/8,175.85
  6. Step 6: Final answer
    x = 5,581.13

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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.