Home / 10,719.29-14,791.99-5,939.21

Finding the Fourth Proportional to 10,719.29, 14,791.99 and 5,939.21

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Solution

The fourth proportional to 10,719.29, 14,791.99 and 5,939.21 is: 8,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.29 : 14,791.99 = 5,939.21 : x
  2. Step 2: Convert to fraction form
    10,719.29/14,791.99 = 5,939.21/x
  3. Step 3: Cross multiply
    10,719.29x = 14,791.99 × 5,939.21
  4. Step 4: Simplify right side
    10,719.29x = 87,852,734.93
  5. Step 5: Solve for x
    x = 87,852,734.93/10,719.29
  6. Step 6: Final answer
    x = 8,195.76

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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.