Home / 11,490.39-17,236.44-4,916.61

Finding the Fourth Proportional to 11,490.39, 17,236.44 and 4,916.61

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Solution

The fourth proportional to 11,490.39, 17,236.44 and 4,916.61 is: 7,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.39 : 17,236.44 = 4,916.61 : x
  2. Step 2: Convert to fraction form
    11,490.39/17,236.44 = 4,916.61/x
  3. Step 3: Cross multiply
    11,490.39x = 17,236.44 × 4,916.61
  4. Step 4: Simplify right side
    11,490.39x = 84,744,853.27
  5. Step 5: Solve for x
    x = 84,744,853.27/11,490.39
  6. Step 6: Final answer
    x = 7,375.28

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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.