Home / 7,493.49-11,241.44-2,813.85

Finding the Fourth Proportional to 7,493.49, 11,241.44 and 2,813.85

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Solution

The fourth proportional to 7,493.49, 11,241.44 and 2,813.85 is: 4,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.49 : 11,241.44 = 2,813.85 : x
  2. Step 2: Convert to fraction form
    7,493.49/11,241.44 = 2,813.85/x
  3. Step 3: Cross multiply
    7,493.49x = 11,241.44 × 2,813.85
  4. Step 4: Simplify right side
    7,493.49x = 31,631,725.94
  5. Step 5: Solve for x
    x = 31,631,725.94/7,493.49
  6. Step 6: Final answer
    x = 4,221.23

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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.