Home / 11,916.92-17,863.75-5,675.25

Finding the Fourth Proportional to 11,916.92, 17,863.75 and 5,675.25

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Solution

The fourth proportional to 11,916.92, 17,863.75 and 5,675.25 is: 8,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.92 : 17,863.75 = 5,675.25 : x
  2. Step 2: Convert to fraction form
    11,916.92/17,863.75 = 5,675.25/x
  3. Step 3: Cross multiply
    11,916.92x = 17,863.75 × 5,675.25
  4. Step 4: Simplify right side
    11,916.92x = 101,381,247.19
  5. Step 5: Solve for x
    x = 101,381,247.19/11,916.92
  6. Step 6: Final answer
    x = 8,507.34

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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.