Home / 11,453.82-17,187.24-4,879.32

Finding the Fourth Proportional to 11,453.82, 17,187.24 and 4,879.32

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Solution

The fourth proportional to 11,453.82, 17,187.24 and 4,879.32 is: 7,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.82 : 17,187.24 = 4,879.32 : x
  2. Step 2: Convert to fraction form
    11,453.82/17,187.24 = 4,879.32/x
  3. Step 3: Cross multiply
    11,453.82x = 17,187.24 × 4,879.32
  4. Step 4: Simplify right side
    11,453.82x = 83,862,043.88
  5. Step 5: Solve for x
    x = 83,862,043.88/11,453.82
  6. Step 6: Final answer
    x = 7,321.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.