Home / 11,872.24-17,791.35-6,667.18

Finding the Fourth Proportional to 11,872.24, 17,791.35 and 6,667.18

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Solution

The fourth proportional to 11,872.24, 17,791.35 and 6,667.18 is: 9,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.24 : 17,791.35 = 6,667.18 : x
  2. Step 2: Convert to fraction form
    11,872.24/17,791.35 = 6,667.18/x
  3. Step 3: Cross multiply
    11,872.24x = 17,791.35 × 6,667.18
  4. Step 4: Simplify right side
    11,872.24x = 118,618,132.89
  5. Step 5: Solve for x
    x = 118,618,132.89/11,872.24
  6. Step 6: Final answer
    x = 9,991.22

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1.5x scale

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.