Home / 10,129.56-15,193.80-2,733.92

Finding the Fourth Proportional to 10,129.56, 15,193.80 and 2,733.92

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Solution

The fourth proportional to 10,129.56, 15,193.80 and 2,733.92 is: 4,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.56 : 15,193.80 = 2,733.92 : x
  2. Step 2: Convert to fraction form
    10,129.56/15,193.80 = 2,733.92/x
  3. Step 3: Cross multiply
    10,129.56x = 15,193.80 × 2,733.92
  4. Step 4: Simplify right side
    10,129.56x = 41,538,633.70
  5. Step 5: Solve for x
    x = 41,538,633.70/10,129.56
  6. Step 6: Final answer
    x = 4,100.73

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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.