Home / 8,142.92-11,238.04-4,956.44

Finding the Fourth Proportional to 8,142.92, 11,238.04 and 4,956.44

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Solution

The fourth proportional to 8,142.92, 11,238.04 and 4,956.44 is: 6,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.92 : 11,238.04 = 4,956.44 : x
  2. Step 2: Convert to fraction form
    8,142.92/11,238.04 = 4,956.44/x
  3. Step 3: Cross multiply
    8,142.92x = 11,238.04 × 4,956.44
  4. Step 4: Simplify right side
    8,142.92x = 55,700,670.98
  5. Step 5: Solve for x
    x = 55,700,670.98/8,142.92
  6. Step 6: Final answer
    x = 6,840.38

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.