Home / 7,374.24-11,055-3,211.08

Finding the Fourth Proportional to 7,374.24, 11,055 and 3,211.08

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Solution

The fourth proportional to 7,374.24, 11,055 and 3,211.08 is: 4,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.24 : 11,055 = 3,211.08 : x
  2. Step 2: Convert to fraction form
    7,374.24/11,055 = 3,211.08/x
  3. Step 3: Cross multiply
    7,374.24x = 11,055 × 3,211.08
  4. Step 4: Simplify right side
    7,374.24x = 35,498,489.40
  5. Step 5: Solve for x
    x = 35,498,489.40/7,374.24
  6. Step 6: Final answer
    x = 4,813.85

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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.