Home / 11,696.66-17,550.39-5,121.98

Finding the Fourth Proportional to 11,696.66, 17,550.39 and 5,121.98

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Solution

The fourth proportional to 11,696.66, 17,550.39 and 5,121.98 is: 7,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.66 : 17,550.39 = 5,121.98 : x
  2. Step 2: Convert to fraction form
    11,696.66/17,550.39 = 5,121.98/x
  3. Step 3: Cross multiply
    11,696.66x = 17,550.39 × 5,121.98
  4. Step 4: Simplify right side
    11,696.66x = 89,892,746.57
  5. Step 5: Solve for x
    x = 89,892,746.57/11,696.66
  6. Step 6: Final answer
    x = 7,685.33

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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.