Home / 8,212.44-11,331.78-4,674.96

Finding the Fourth Proportional to 8,212.44, 11,331.78 and 4,674.96

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Solution

The fourth proportional to 8,212.44, 11,331.78 and 4,674.96 is: 6,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.44 : 11,331.78 = 4,674.96 : x
  2. Step 2: Convert to fraction form
    8,212.44/11,331.78 = 4,674.96/x
  3. Step 3: Cross multiply
    8,212.44x = 11,331.78 × 4,674.96
  4. Step 4: Simplify right side
    8,212.44x = 52,975,618.23
  5. Step 5: Solve for x
    x = 52,975,618.23/8,212.44
  6. Step 6: Final answer
    x = 6,450.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.