Home / 8,453.73-11,671.89-5,268.30

Finding the Fourth Proportional to 8,453.73, 11,671.89 and 5,268.30

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Solution

The fourth proportional to 8,453.73, 11,671.89 and 5,268.30 is: 7,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.73 : 11,671.89 = 5,268.30 : x
  2. Step 2: Convert to fraction form
    8,453.73/11,671.89 = 5,268.30/x
  3. Step 3: Cross multiply
    8,453.73x = 11,671.89 × 5,268.30
  4. Step 4: Simplify right side
    8,453.73x = 61,491,018.09
  5. Step 5: Solve for x
    x = 61,491,018.09/8,453.73
  6. Step 6: Final answer
    x = 7,273.83

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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.