Home / 8,736.48-13,101.92-2,891.84

Finding the Fourth Proportional to 8,736.48, 13,101.92 and 2,891.84

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Solution

The fourth proportional to 8,736.48, 13,101.92 and 2,891.84 is: 4,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.48 : 13,101.92 = 2,891.84 : x
  2. Step 2: Convert to fraction form
    8,736.48/13,101.92 = 2,891.84/x
  3. Step 3: Cross multiply
    8,736.48x = 13,101.92 × 2,891.84
  4. Step 4: Simplify right side
    8,736.48x = 37,888,656.33
  5. Step 5: Solve for x
    x = 37,888,656.33/8,736.48
  6. Step 6: Final answer
    x = 4,336.83

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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.