Home / 11,916.89-17,883.54-5,350.43

Finding the Fourth Proportional to 11,916.89, 17,883.54 and 5,350.43

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Solution

The fourth proportional to 11,916.89, 17,883.54 and 5,350.43 is: 8,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.89 : 17,883.54 = 5,350.43 : x
  2. Step 2: Convert to fraction form
    11,916.89/17,883.54 = 5,350.43/x
  3. Step 3: Cross multiply
    11,916.89x = 17,883.54 × 5,350.43
  4. Step 4: Simplify right side
    11,916.89x = 95,684,628.92
  5. Step 5: Solve for x
    x = 95,684,628.92/11,916.89
  6. Step 6: Final answer
    x = 8,029.33

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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.