Home / 10,252.16-15,377.97-2,857.13

Finding the Fourth Proportional to 10,252.16, 15,377.97 and 2,857.13

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Solution

The fourth proportional to 10,252.16, 15,377.97 and 2,857.13 is: 4,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.16 : 15,377.97 = 2,857.13 : x
  2. Step 2: Convert to fraction form
    10,252.16/15,377.97 = 2,857.13/x
  3. Step 3: Cross multiply
    10,252.16x = 15,377.97 × 2,857.13
  4. Step 4: Simplify right side
    10,252.16x = 43,936,859.43
  5. Step 5: Solve for x
    x = 43,936,859.43/10,252.16
  6. Step 6: Final answer
    x = 4,285.62

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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.