Home / 8,122.92-11,210.75-4,936.27

Finding the Fourth Proportional to 8,122.92, 11,210.75 and 4,936.27

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Solution

The fourth proportional to 8,122.92, 11,210.75 and 4,936.27 is: 6,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.92 : 11,210.75 = 4,936.27 : x
  2. Step 2: Convert to fraction form
    8,122.92/11,210.75 = 4,936.27/x
  3. Step 3: Cross multiply
    8,122.92x = 11,210.75 × 4,936.27
  4. Step 4: Simplify right side
    8,122.92x = 55,339,288.90
  5. Step 5: Solve for x
    x = 55,339,288.90/8,122.92
  6. Step 6: Final answer
    x = 6,812.73

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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.