Home / 7,961.58-11,926.60-5,456.60

Finding the Fourth Proportional to 7,961.58, 11,926.60 and 5,456.60

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Solution

The fourth proportional to 7,961.58, 11,926.60 and 5,456.60 is: 8,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.58 : 11,926.60 = 5,456.60 : x
  2. Step 2: Convert to fraction form
    7,961.58/11,926.60 = 5,456.60/x
  3. Step 3: Cross multiply
    7,961.58x = 11,926.60 × 5,456.60
  4. Step 4: Simplify right side
    7,961.58x = 65,078,685.56
  5. Step 5: Solve for x
    x = 65,078,685.56/7,961.58
  6. Step 6: Final answer
    x = 8,174.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.