Home / 7,928.79-11,893.18-2,997.56

Finding the Fourth Proportional to 7,928.79, 11,893.18 and 2,997.56

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Solution

The fourth proportional to 7,928.79, 11,893.18 and 2,997.56 is: 4,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.79 : 11,893.18 = 2,997.56 : x
  2. Step 2: Convert to fraction form
    7,928.79/11,893.18 = 2,997.56/x
  3. Step 3: Cross multiply
    7,928.79x = 11,893.18 × 2,997.56
  4. Step 4: Simplify right side
    7,928.79x = 35,650,481.60
  5. Step 5: Solve for x
    x = 35,650,481.60/7,928.79
  6. Step 6: Final answer
    x = 4,496.34

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Half scale
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Double scale
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Similar ratio
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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.