Home / 11,161.40-16,733.46-6,474.20

Finding the Fourth Proportional to 11,161.40, 16,733.46 and 6,474.20

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Solution

The fourth proportional to 11,161.40, 16,733.46 and 6,474.20 is: 9,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.40 : 16,733.46 = 6,474.20 : x
  2. Step 2: Convert to fraction form
    11,161.40/16,733.46 = 6,474.20/x
  3. Step 3: Cross multiply
    11,161.40x = 16,733.46 × 6,474.20
  4. Step 4: Simplify right side
    11,161.40x = 108,335,766.73
  5. Step 5: Solve for x
    x = 108,335,766.73/11,161.40
  6. Step 6: Final answer
    x = 9,706.29

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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.