Home / 8,216.28-11,338.69-5,029.51

Finding the Fourth Proportional to 8,216.28, 11,338.69 and 5,029.51

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Solution

The fourth proportional to 8,216.28, 11,338.69 and 5,029.51 is: 6,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.28 : 11,338.69 = 5,029.51 : x
  2. Step 2: Convert to fraction form
    8,216.28/11,338.69 = 5,029.51/x
  3. Step 3: Cross multiply
    8,216.28x = 11,338.69 × 5,029.51
  4. Step 4: Simplify right side
    8,216.28x = 57,027,972.90
  5. Step 5: Solve for x
    x = 57,027,972.90/8,216.28
  6. Step 6: Final answer
    x = 6,940.85

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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.