Home / 10,234.11-14,121.92-5,757.77

Finding the Fourth Proportional to 10,234.11, 14,121.92 and 5,757.77

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Solution

The fourth proportional to 10,234.11, 14,121.92 and 5,757.77 is: 7,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.11 : 14,121.92 = 5,757.77 : x
  2. Step 2: Convert to fraction form
    10,234.11/14,121.92 = 5,757.77/x
  3. Step 3: Cross multiply
    10,234.11x = 14,121.92 × 5,757.77
  4. Step 4: Simplify right side
    10,234.11x = 81,310,711.10
  5. Step 5: Solve for x
    x = 81,310,711.10/10,234.11
  6. Step 6: Final answer
    x = 7,945.07

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1.5x scale

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.