Home / 8,204.05-11,322.89-5,216.77

Finding the Fourth Proportional to 8,204.05, 11,322.89 and 5,216.77

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Solution

The fourth proportional to 8,204.05, 11,322.89 and 5,216.77 is: 7,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.05 : 11,322.89 = 5,216.77 : x
  2. Step 2: Convert to fraction form
    8,204.05/11,322.89 = 5,216.77/x
  3. Step 3: Cross multiply
    8,204.05x = 11,322.89 × 5,216.77
  4. Step 4: Simplify right side
    8,204.05x = 59,068,912.87
  5. Step 5: Solve for x
    x = 59,068,912.87/8,204.05
  6. Step 6: Final answer
    x = 7,199.97

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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.