Home / 7,997.72-11,976.08-5,914.61

Finding the Fourth Proportional to 7,997.72, 11,976.08 and 5,914.61

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Solution

The fourth proportional to 7,997.72, 11,976.08 and 5,914.61 is: 8,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.72 : 11,976.08 = 5,914.61 : x
  2. Step 2: Convert to fraction form
    7,997.72/11,976.08 = 5,914.61/x
  3. Step 3: Cross multiply
    7,997.72x = 11,976.08 × 5,914.61
  4. Step 4: Simplify right side
    7,997.72x = 70,833,753.08
  5. Step 5: Solve for x
    x = 70,833,753.08/7,997.72
  6. Step 6: Final answer
    x = 8,856.75

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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.