Home / 8,226.79-11,346.78-5,708.92

Finding the Fourth Proportional to 8,226.79, 11,346.78 and 5,708.92

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Solution

The fourth proportional to 8,226.79, 11,346.78 and 5,708.92 is: 7,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.79 : 11,346.78 = 5,708.92 : x
  2. Step 2: Convert to fraction form
    8,226.79/11,346.78 = 5,708.92/x
  3. Step 3: Cross multiply
    8,226.79x = 11,346.78 × 5,708.92
  4. Step 4: Simplify right side
    8,226.79x = 64,777,859.28
  5. Step 5: Solve for x
    x = 64,777,859.28/8,226.79
  6. Step 6: Final answer
    x = 7,874.01

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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.