Home / 6,211.46-8,571.81-3,558.74

Finding the Fourth Proportional to 6,211.46, 8,571.81 and 3,558.74

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Solution

The fourth proportional to 6,211.46, 8,571.81 and 3,558.74 is: 4,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.46 : 8,571.81 = 3,558.74 : x
  2. Step 2: Convert to fraction form
    6,211.46/8,571.81 = 3,558.74/x
  3. Step 3: Cross multiply
    6,211.46x = 8,571.81 × 3,558.74
  4. Step 4: Simplify right side
    6,211.46x = 30,504,843.12
  5. Step 5: Solve for x
    x = 30,504,843.12/6,211.46
  6. Step 6: Final answer
    x = 4,911.06

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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.