Home / 11,611.24-17,419.38-3,819.76

Finding the Fourth Proportional to 11,611.24, 17,419.38 and 3,819.76

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Solution

The fourth proportional to 11,611.24, 17,419.38 and 3,819.76 is: 5,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.24 : 17,419.38 = 3,819.76 : x
  2. Step 2: Convert to fraction form
    11,611.24/17,419.38 = 3,819.76/x
  3. Step 3: Cross multiply
    11,611.24x = 17,419.38 × 3,819.76
  4. Step 4: Simplify right side
    11,611.24x = 66,537,850.95
  5. Step 5: Solve for x
    x = 66,537,850.95/11,611.24
  6. Step 6: Final answer
    x = 5,730.47

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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.