Home / 7,997.92-11,982.28-5,894.76

Finding the Fourth Proportional to 7,997.92, 11,982.28 and 5,894.76

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Solution

The fourth proportional to 7,997.92, 11,982.28 and 5,894.76 is: 8,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.92 : 11,982.28 = 5,894.76 : x
  2. Step 2: Convert to fraction form
    7,997.92/11,982.28 = 5,894.76/x
  3. Step 3: Cross multiply
    7,997.92x = 11,982.28 × 5,894.76
  4. Step 4: Simplify right side
    7,997.92x = 70,632,664.85
  5. Step 5: Solve for x
    x = 70,632,664.85/7,997.92
  6. Step 6: Final answer
    x = 8,831.38

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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.