Home / 8,858.31-12,224.34-4,879.43

Finding the Fourth Proportional to 8,858.31, 12,224.34 and 4,879.43

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Solution

The fourth proportional to 8,858.31, 12,224.34 and 4,879.43 is: 6,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.31 : 12,224.34 = 4,879.43 : x
  2. Step 2: Convert to fraction form
    8,858.31/12,224.34 = 4,879.43/x
  3. Step 3: Cross multiply
    8,858.31x = 12,224.34 × 4,879.43
  4. Step 4: Simplify right side
    8,858.31x = 59,647,811.33
  5. Step 5: Solve for x
    x = 59,647,811.33/8,858.31
  6. Step 6: Final answer
    x = 6,733.54

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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.