Home / 11,382.81-17,074.21-3,591.63

Finding the Fourth Proportional to 11,382.81, 17,074.21 and 3,591.63

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Solution

The fourth proportional to 11,382.81, 17,074.21 and 3,591.63 is: 5,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.81 : 17,074.21 = 3,591.63 : x
  2. Step 2: Convert to fraction form
    11,382.81/17,074.21 = 3,591.63/x
  3. Step 3: Cross multiply
    11,382.81x = 17,074.21 × 3,591.63
  4. Step 4: Simplify right side
    11,382.81x = 61,324,244.86
  5. Step 5: Solve for x
    x = 61,324,244.86/11,382.81
  6. Step 6: Final answer
    x = 5,387.44

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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.