Home / 7,382.48-11,073.56-1,835.78

Finding the Fourth Proportional to 7,382.48, 11,073.56 and 1,835.78

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Solution

The fourth proportional to 7,382.48, 11,073.56 and 1,835.78 is: 2,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.48 : 11,073.56 = 1,835.78 : x
  2. Step 2: Convert to fraction form
    7,382.48/11,073.56 = 1,835.78/x
  3. Step 3: Cross multiply
    7,382.48x = 11,073.56 × 1,835.78
  4. Step 4: Simplify right side
    7,382.48x = 20,328,555.43
  5. Step 5: Solve for x
    x = 20,328,555.43/7,382.48
  6. Step 6: Final answer
    x = 2,753.62

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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.