Home / 10,234.40-14,122.44-5,757.76

Finding the Fourth Proportional to 10,234.40, 14,122.44 and 5,757.76

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Solution

The fourth proportional to 10,234.40, 14,122.44 and 5,757.76 is: 7,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.40 : 14,122.44 = 5,757.76 : x
  2. Step 2: Convert to fraction form
    10,234.40/14,122.44 = 5,757.76/x
  3. Step 3: Cross multiply
    10,234.40x = 14,122.44 × 5,757.76
  4. Step 4: Simplify right side
    10,234.40x = 81,313,620.13
  5. Step 5: Solve for x
    x = 81,313,620.13/10,234.40
  6. Step 6: Final answer
    x = 7,945.13

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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.