Home / 11,218.12-16,824.84-3,822.52

Finding the Fourth Proportional to 11,218.12, 16,824.84 and 3,822.52

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Solution

The fourth proportional to 11,218.12, 16,824.84 and 3,822.52 is: 5,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.12 : 16,824.84 = 3,822.52 : x
  2. Step 2: Convert to fraction form
    11,218.12/16,824.84 = 3,822.52/x
  3. Step 3: Cross multiply
    11,218.12x = 16,824.84 × 3,822.52
  4. Step 4: Simplify right side
    11,218.12x = 64,313,287.40
  5. Step 5: Solve for x
    x = 64,313,287.40/11,218.12
  6. Step 6: Final answer
    x = 5,732.98

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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.