Home / 11,919.68-17,882.75-3,599.97

Finding the Fourth Proportional to 11,919.68, 17,882.75 and 3,599.97

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Solution

The fourth proportional to 11,919.68, 17,882.75 and 3,599.97 is: 5,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.68 : 17,882.75 = 3,599.97 : x
  2. Step 2: Convert to fraction form
    11,919.68/17,882.75 = 3,599.97/x
  3. Step 3: Cross multiply
    11,919.68x = 17,882.75 × 3,599.97
  4. Step 4: Simplify right side
    11,919.68x = 64,377,345.63
  5. Step 5: Solve for x
    x = 64,377,345.63/11,919.68
  6. Step 6: Final answer
    x = 5,400.93

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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.