Home / 10,965.22-16,450.26-5,118.64

Finding the Fourth Proportional to 10,965.22, 16,450.26 and 5,118.64

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Solution

The fourth proportional to 10,965.22, 16,450.26 and 5,118.64 is: 7,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.22 : 16,450.26 = 5,118.64 : x
  2. Step 2: Convert to fraction form
    10,965.22/16,450.26 = 5,118.64/x
  3. Step 3: Cross multiply
    10,965.22x = 16,450.26 × 5,118.64
  4. Step 4: Simplify right side
    10,965.22x = 84,202,958.85
  5. Step 5: Solve for x
    x = 84,202,958.85/10,965.22
  6. Step 6: Final answer
    x = 7,679.09

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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.