Home / 8,736.57-13,104.51-2,162.58

Finding the Fourth Proportional to 8,736.57, 13,104.51 and 2,162.58

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Solution

The fourth proportional to 8,736.57, 13,104.51 and 2,162.58 is: 3,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.57 : 13,104.51 = 2,162.58 : x
  2. Step 2: Convert to fraction form
    8,736.57/13,104.51 = 2,162.58/x
  3. Step 3: Cross multiply
    8,736.57x = 13,104.51 × 2,162.58
  4. Step 4: Simplify right side
    8,736.57x = 28,339,551.24
  5. Step 5: Solve for x
    x = 28,339,551.24/8,736.57
  6. Step 6: Final answer
    x = 3,243.78

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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.