Home / 7,916.46-11,872.82-3,531.50

Finding the Fourth Proportional to 7,916.46, 11,872.82 and 3,531.50

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Solution

The fourth proportional to 7,916.46, 11,872.82 and 3,531.50 is: 5,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.46 : 11,872.82 = 3,531.50 : x
  2. Step 2: Convert to fraction form
    7,916.46/11,872.82 = 3,531.50/x
  3. Step 3: Cross multiply
    7,916.46x = 11,872.82 × 3,531.50
  4. Step 4: Simplify right side
    7,916.46x = 41,928,863.83
  5. Step 5: Solve for x
    x = 41,928,863.83/7,916.46
  6. Step 6: Final answer
    x = 5,296.42

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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.