Home / 11,787.85-17,682.83-3,022.84

Finding the Fourth Proportional to 11,787.85, 17,682.83 and 3,022.84

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Solution

The fourth proportional to 11,787.85, 17,682.83 and 3,022.84 is: 4,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.85 : 17,682.83 = 3,022.84 : x
  2. Step 2: Convert to fraction form
    11,787.85/17,682.83 = 3,022.84/x
  3. Step 3: Cross multiply
    11,787.85x = 17,682.83 × 3,022.84
  4. Step 4: Simplify right side
    11,787.85x = 53,452,277.42
  5. Step 5: Solve for x
    x = 53,452,277.42/11,787.85
  6. Step 6: Final answer
    x = 4,534.52

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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.