Home / 8,192.08-12,288.96-2,999.44

Finding the Fourth Proportional to 8,192.08, 12,288.96 and 2,999.44

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Solution

The fourth proportional to 8,192.08, 12,288.96 and 2,999.44 is: 4,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.08 : 12,288.96 = 2,999.44 : x
  2. Step 2: Convert to fraction form
    8,192.08/12,288.96 = 2,999.44/x
  3. Step 3: Cross multiply
    8,192.08x = 12,288.96 × 2,999.44
  4. Step 4: Simplify right side
    8,192.08x = 36,859,998.18
  5. Step 5: Solve for x
    x = 36,859,998.18/8,192.08
  6. Step 6: Final answer
    x = 4,499.47

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.