Home / 10,249.06-15,371.16-2,853.76

Finding the Fourth Proportional to 10,249.06, 15,371.16 and 2,853.76

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Solution

The fourth proportional to 10,249.06, 15,371.16 and 2,853.76 is: 4,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.06 : 15,371.16 = 2,853.76 : x
  2. Step 2: Convert to fraction form
    10,249.06/15,371.16 = 2,853.76/x
  3. Step 3: Cross multiply
    10,249.06x = 15,371.16 × 2,853.76
  4. Step 4: Simplify right side
    10,249.06x = 43,865,601.56
  5. Step 5: Solve for x
    x = 43,865,601.56/10,249.06
  6. Step 6: Final answer
    x = 4,279.96

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1.5x scale

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.