Home / 10,327.91-15,491.05-3,755.57

Finding the Fourth Proportional to 10,327.91, 15,491.05 and 3,755.57

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Solution

The fourth proportional to 10,327.91, 15,491.05 and 3,755.57 is: 5,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.91 : 15,491.05 = 3,755.57 : x
  2. Step 2: Convert to fraction form
    10,327.91/15,491.05 = 3,755.57/x
  3. Step 3: Cross multiply
    10,327.91x = 15,491.05 × 3,755.57
  4. Step 4: Simplify right side
    10,327.91x = 58,177,635.80
  5. Step 5: Solve for x
    x = 58,177,635.80/10,327.91
  6. Step 6: Final answer
    x = 5,633.05

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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.