Home / 7,912.25-11,866.17-2,364.28

Finding the Fourth Proportional to 7,912.25, 11,866.17 and 2,364.28

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Solution

The fourth proportional to 7,912.25, 11,866.17 and 2,364.28 is: 3,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.25 : 11,866.17 = 2,364.28 : x
  2. Step 2: Convert to fraction form
    7,912.25/11,866.17 = 2,364.28/x
  3. Step 3: Cross multiply
    7,912.25x = 11,866.17 × 2,364.28
  4. Step 4: Simplify right side
    7,912.25x = 28,054,948.41
  5. Step 5: Solve for x
    x = 28,054,948.41/7,912.25
  6. Step 6: Final answer
    x = 3,545.76

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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.