Home / 11,641.87-17,465.75-3,321.91

Finding the Fourth Proportional to 11,641.87, 17,465.75 and 3,321.91

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Solution

The fourth proportional to 11,641.87, 17,465.75 and 3,321.91 is: 4,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.87 : 17,465.75 = 3,321.91 : x
  2. Step 2: Convert to fraction form
    11,641.87/17,465.75 = 3,321.91/x
  3. Step 3: Cross multiply
    11,641.87x = 17,465.75 × 3,321.91
  4. Step 4: Simplify right side
    11,641.87x = 58,019,721.06
  5. Step 5: Solve for x
    x = 58,019,721.06/11,641.87
  6. Step 6: Final answer
    x = 4,983.71

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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.