Home / 12,793.72-19,190.58-4,997.06

Finding the Fourth Proportional to 12,793.72, 19,190.58 and 4,997.06

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Solution

The fourth proportional to 12,793.72, 19,190.58 and 4,997.06 is: 7,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.72 : 19,190.58 = 4,997.06 : x
  2. Step 2: Convert to fraction form
    12,793.72/19,190.58 = 4,997.06/x
  3. Step 3: Cross multiply
    12,793.72x = 19,190.58 × 4,997.06
  4. Step 4: Simplify right side
    12,793.72x = 95,896,508.93
  5. Step 5: Solve for x
    x = 95,896,508.93/12,793.72
  6. Step 6: Final answer
    x = 7,495.59

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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.