Home / 8,176.10-12,260.79-3,245.06

Finding the Fourth Proportional to 8,176.10, 12,260.79 and 3,245.06

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Solution

The fourth proportional to 8,176.10, 12,260.79 and 3,245.06 is: 4,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.10 : 12,260.79 = 3,245.06 : x
  2. Step 2: Convert to fraction form
    8,176.10/12,260.79 = 3,245.06/x
  3. Step 3: Cross multiply
    8,176.10x = 12,260.79 × 3,245.06
  4. Step 4: Simplify right side
    8,176.10x = 39,786,999.20
  5. Step 5: Solve for x
    x = 39,786,999.20/8,176.10
  6. Step 6: Final answer
    x = 4,866.26

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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.