Home / 12,793.28-19,190.08-4,472.96

Finding the Fourth Proportional to 12,793.28, 19,190.08 and 4,472.96

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Solution

The fourth proportional to 12,793.28, 19,190.08 and 4,472.96 is: 6,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.28 : 19,190.08 = 4,472.96 : x
  2. Step 2: Convert to fraction form
    12,793.28/19,190.08 = 4,472.96/x
  3. Step 3: Cross multiply
    12,793.28x = 19,190.08 × 4,472.96
  4. Step 4: Simplify right side
    12,793.28x = 85,836,460.24
  5. Step 5: Solve for x
    x = 85,836,460.24/12,793.28
  6. Step 6: Final answer
    x = 6,709.50

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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.