Home / 7,439.93-11,161.43-2,442.68

Finding the Fourth Proportional to 7,439.93, 11,161.43 and 2,442.68

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Solution

The fourth proportional to 7,439.93, 11,161.43 and 2,442.68 is: 3,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.93 : 11,161.43 = 2,442.68 : x
  2. Step 2: Convert to fraction form
    7,439.93/11,161.43 = 2,442.68/x
  3. Step 3: Cross multiply
    7,439.93x = 11,161.43 × 2,442.68
  4. Step 4: Simplify right side
    7,439.93x = 27,263,789.62
  5. Step 5: Solve for x
    x = 27,263,789.62/7,439.93
  6. Step 6: Final answer
    x = 3,664.52

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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.