Home / 11,074.26-16,618.68-5,231.46

Finding the Fourth Proportional to 11,074.26, 16,618.68 and 5,231.46

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Solution

The fourth proportional to 11,074.26, 16,618.68 and 5,231.46 is: 7,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.26 : 16,618.68 = 5,231.46 : x
  2. Step 2: Convert to fraction form
    11,074.26/16,618.68 = 5,231.46/x
  3. Step 3: Cross multiply
    11,074.26x = 16,618.68 × 5,231.46
  4. Step 4: Simplify right side
    11,074.26x = 86,939,959.67
  5. Step 5: Solve for x
    x = 86,939,959.67/11,074.26
  6. Step 6: Final answer
    x = 7,850.63

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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.