Home / 11,331.72-16,972.92-5,476

Finding the Fourth Proportional to 11,331.72, 16,972.92 and 5,476

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Solution

The fourth proportional to 11,331.72, 16,972.92 and 5,476 is: 8,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.72 : 16,972.92 = 5,476 : x
  2. Step 2: Convert to fraction form
    11,331.72/16,972.92 = 5,476/x
  3. Step 3: Cross multiply
    11,331.72x = 16,972.92 × 5,476
  4. Step 4: Simplify right side
    11,331.72x = 92,943,709.92
  5. Step 5: Solve for x
    x = 92,943,709.92/11,331.72
  6. Step 6: Final answer
    x = 8,202.08

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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.