Home / 6,212.94-8,571.42-3,558.92

Finding the Fourth Proportional to 6,212.94, 8,571.42 and 3,558.92

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Solution

The fourth proportional to 6,212.94, 8,571.42 and 3,558.92 is: 4,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.94 : 8,571.42 = 3,558.92 : x
  2. Step 2: Convert to fraction form
    6,212.94/8,571.42 = 3,558.92/x
  3. Step 3: Cross multiply
    6,212.94x = 8,571.42 × 3,558.92
  4. Step 4: Simplify right side
    6,212.94x = 30,504,998.07
  5. Step 5: Solve for x
    x = 30,504,998.07/6,212.94
  6. Step 6: Final answer
    x = 4,909.91

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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.