Home / 11,072.16-16,609.90-3,279.96

Finding the Fourth Proportional to 11,072.16, 16,609.90 and 3,279.96

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Solution

The fourth proportional to 11,072.16, 16,609.90 and 3,279.96 is: 4,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.16 : 16,609.90 = 3,279.96 : x
  2. Step 2: Convert to fraction form
    11,072.16/16,609.90 = 3,279.96/x
  3. Step 3: Cross multiply
    11,072.16x = 16,609.90 × 3,279.96
  4. Step 4: Simplify right side
    11,072.16x = 54,479,807.60
  5. Step 5: Solve for x
    x = 54,479,807.60/11,072.16
  6. Step 6: Final answer
    x = 4,920.43

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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.