Home / 6,121.56-8,450.28-4,546.92

Finding the Fourth Proportional to 6,121.56, 8,450.28 and 4,546.92

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Solution

The fourth proportional to 6,121.56, 8,450.28 and 4,546.92 is: 6,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.56 : 8,450.28 = 4,546.92 : x
  2. Step 2: Convert to fraction form
    6,121.56/8,450.28 = 4,546.92/x
  3. Step 3: Cross multiply
    6,121.56x = 8,450.28 × 4,546.92
  4. Step 4: Simplify right side
    6,121.56x = 38,422,747.14
  5. Step 5: Solve for x
    x = 38,422,747.14/6,121.56
  6. Step 6: Final answer
    x = 6,276.63

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Double scale
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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.