Home / 8,201.22-11,318.58-4,665.30

Finding the Fourth Proportional to 8,201.22, 11,318.58 and 4,665.30

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Solution

The fourth proportional to 8,201.22, 11,318.58 and 4,665.30 is: 6,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.22 : 11,318.58 = 4,665.30 : x
  2. Step 2: Convert to fraction form
    8,201.22/11,318.58 = 4,665.30/x
  3. Step 3: Cross multiply
    8,201.22x = 11,318.58 × 4,665.30
  4. Step 4: Simplify right side
    8,201.22x = 52,804,571.27
  5. Step 5: Solve for x
    x = 52,804,571.27/8,201.22
  6. Step 6: Final answer
    x = 6,438.62

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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.