Home / 11,891.74-17,834.10-4,490.68

Finding the Fourth Proportional to 11,891.74, 17,834.10 and 4,490.68

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Solution

The fourth proportional to 11,891.74, 17,834.10 and 4,490.68 is: 6,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.74 : 17,834.10 = 4,490.68 : x
  2. Step 2: Convert to fraction form
    11,891.74/17,834.10 = 4,490.68/x
  3. Step 3: Cross multiply
    11,891.74x = 17,834.10 × 4,490.68
  4. Step 4: Simplify right side
    11,891.74x = 80,087,236.19
  5. Step 5: Solve for x
    x = 80,087,236.19/11,891.74
  6. Step 6: Final answer
    x = 6,734.69

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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.