Home / 11,486.60-17,230.44-4,091.12

Finding the Fourth Proportional to 11,486.60, 17,230.44 and 4,091.12

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Solution

The fourth proportional to 11,486.60, 17,230.44 and 4,091.12 is: 6,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.60 : 17,230.44 = 4,091.12 : x
  2. Step 2: Convert to fraction form
    11,486.60/17,230.44 = 4,091.12/x
  3. Step 3: Cross multiply
    11,486.60x = 17,230.44 × 4,091.12
  4. Step 4: Simplify right side
    11,486.60x = 70,491,797.69
  5. Step 5: Solve for x
    x = 70,491,797.69/11,486.60
  6. Step 6: Final answer
    x = 6,136.87

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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.