Home / 6,211.64-8,572.28-3,558.48

Finding the Fourth Proportional to 6,211.64, 8,572.28 and 3,558.48

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Solution

The fourth proportional to 6,211.64, 8,572.28 and 3,558.48 is: 4,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.64 : 8,572.28 = 3,558.48 : x
  2. Step 2: Convert to fraction form
    6,211.64/8,572.28 = 3,558.48/x
  3. Step 3: Cross multiply
    6,211.64x = 8,572.28 × 3,558.48
  4. Step 4: Simplify right side
    6,211.64x = 30,504,269.14
  5. Step 5: Solve for x
    x = 30,504,269.14/6,211.64
  6. Step 6: Final answer
    x = 4,910.83

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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.