Home / 7,997.92-11,031.42-6,933.79

Finding the Fourth Proportional to 7,997.92, 11,031.42 and 6,933.79

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Solution

The fourth proportional to 7,997.92, 11,031.42 and 6,933.79 is: 9,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.92 : 11,031.42 = 6,933.79 : x
  2. Step 2: Convert to fraction form
    7,997.92/11,031.42 = 6,933.79/x
  3. Step 3: Cross multiply
    7,997.92x = 11,031.42 × 6,933.79
  4. Step 4: Simplify right side
    7,997.92x = 76,489,549.68
  5. Step 5: Solve for x
    x = 76,489,549.68/7,997.92
  6. Step 6: Final answer
    x = 9,563.68

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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.