Home / 10,243.28-14,137.08-5,767.91

Finding the Fourth Proportional to 10,243.28, 14,137.08 and 5,767.91

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Solution

The fourth proportional to 10,243.28, 14,137.08 and 5,767.91 is: 7,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.28 : 14,137.08 = 5,767.91 : x
  2. Step 2: Convert to fraction form
    10,243.28/14,137.08 = 5,767.91/x
  3. Step 3: Cross multiply
    10,243.28x = 14,137.08 × 5,767.91
  4. Step 4: Simplify right side
    10,243.28x = 81,541,398.25
  5. Step 5: Solve for x
    x = 81,541,398.25/10,243.28
  6. Step 6: Final answer
    x = 7,960.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.