Home / 7,916.77-11,876.24-2,721.25

Finding the Fourth Proportional to 7,916.77, 11,876.24 and 2,721.25

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Solution

The fourth proportional to 7,916.77, 11,876.24 and 2,721.25 is: 4,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.77 : 11,876.24 = 2,721.25 : x
  2. Step 2: Convert to fraction form
    7,916.77/11,876.24 = 2,721.25/x
  3. Step 3: Cross multiply
    7,916.77x = 11,876.24 × 2,721.25
  4. Step 4: Simplify right side
    7,916.77x = 32,318,218.10
  5. Step 5: Solve for x
    x = 32,318,218.10/7,916.77
  6. Step 6: Final answer
    x = 4,082.25

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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.