Home / 11,245.04-16,867.79-3,857.99

Finding the Fourth Proportional to 11,245.04, 16,867.79 and 3,857.99

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Solution

The fourth proportional to 11,245.04, 16,867.79 and 3,857.99 is: 5,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.04 : 16,867.79 = 3,857.99 : x
  2. Step 2: Convert to fraction form
    11,245.04/16,867.79 = 3,857.99/x
  3. Step 3: Cross multiply
    11,245.04x = 16,867.79 × 3,857.99
  4. Step 4: Simplify right side
    11,245.04x = 65,075,765.14
  5. Step 5: Solve for x
    x = 65,075,765.14/11,245.04
  6. Step 6: Final answer
    x = 5,787.06

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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.