Home / 7,916.07-11,876.31-3,474.15

Finding the Fourth Proportional to 7,916.07, 11,876.31 and 3,474.15

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Solution

The fourth proportional to 7,916.07, 11,876.31 and 3,474.15 is: 5,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.07 : 11,876.31 = 3,474.15 : x
  2. Step 2: Convert to fraction form
    7,916.07/11,876.31 = 3,474.15/x
  3. Step 3: Cross multiply
    7,916.07x = 11,876.31 × 3,474.15
  4. Step 4: Simplify right side
    7,916.07x = 41,260,082.39
  5. Step 5: Solve for x
    x = 41,260,082.39/7,916.07
  6. Step 6: Final answer
    x = 5,212.19

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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.