Home / 11,120.68-16,679.40-6,736.96

Finding the Fourth Proportional to 11,120.68, 16,679.40 and 6,736.96

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Solution

The fourth proportional to 11,120.68, 16,679.40 and 6,736.96 is: 10,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.68 : 16,679.40 = 6,736.96 : x
  2. Step 2: Convert to fraction form
    11,120.68/16,679.40 = 6,736.96/x
  3. Step 3: Cross multiply
    11,120.68x = 16,679.40 × 6,736.96
  4. Step 4: Simplify right side
    11,120.68x = 112,368,450.62
  5. Step 5: Solve for x
    x = 112,368,450.62/11,120.68
  6. Step 6: Final answer
    x = 10,104.46

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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.