Home / 8,176.05-12,260.43-2,331.29

Finding the Fourth Proportional to 8,176.05, 12,260.43 and 2,331.29

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Solution

The fourth proportional to 8,176.05, 12,260.43 and 2,331.29 is: 3,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.05 : 12,260.43 = 2,331.29 : x
  2. Step 2: Convert to fraction form
    8,176.05/12,260.43 = 2,331.29/x
  3. Step 3: Cross multiply
    8,176.05x = 12,260.43 × 2,331.29
  4. Step 4: Simplify right side
    8,176.05x = 28,582,617.85
  5. Step 5: Solve for x
    x = 28,582,617.85/8,176.05
  6. Step 6: Final answer
    x = 3,495.90

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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.