Home / 7,338.84-11,012.22-3,443.28

Finding the Fourth Proportional to 7,338.84, 11,012.22 and 3,443.28

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Solution

The fourth proportional to 7,338.84, 11,012.22 and 3,443.28 is: 5,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.84 : 11,012.22 = 3,443.28 : x
  2. Step 2: Convert to fraction form
    7,338.84/11,012.22 = 3,443.28/x
  3. Step 3: Cross multiply
    7,338.84x = 11,012.22 × 3,443.28
  4. Step 4: Simplify right side
    7,338.84x = 37,918,156.88
  5. Step 5: Solve for x
    x = 37,918,156.88/7,338.84
  6. Step 6: Final answer
    x = 5,166.78

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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.