Home / 7,379.26-11,076.18-3,916.50

Finding the Fourth Proportional to 7,379.26, 11,076.18 and 3,916.50

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Solution

The fourth proportional to 7,379.26, 11,076.18 and 3,916.50 is: 5,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.26 : 11,076.18 = 3,916.50 : x
  2. Step 2: Convert to fraction form
    7,379.26/11,076.18 = 3,916.50/x
  3. Step 3: Cross multiply
    7,379.26x = 11,076.18 × 3,916.50
  4. Step 4: Simplify right side
    7,379.26x = 43,379,858.97
  5. Step 5: Solve for x
    x = 43,379,858.97/7,379.26
  6. Step 6: Final answer
    x = 5,878.62

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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.