Home / 7,127.39-10,694.19-3,836.63

Finding the Fourth Proportional to 7,127.39, 10,694.19 and 3,836.63

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Solution

The fourth proportional to 7,127.39, 10,694.19 and 3,836.63 is: 5,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.39 : 10,694.19 = 3,836.63 : x
  2. Step 2: Convert to fraction form
    7,127.39/10,694.19 = 3,836.63/x
  3. Step 3: Cross multiply
    7,127.39x = 10,694.19 × 3,836.63
  4. Step 4: Simplify right side
    7,127.39x = 41,029,691.30
  5. Step 5: Solve for x
    x = 41,029,691.30/7,127.39
  6. Step 6: Final answer
    x = 5,756.62

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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.