Home / 8,418.33-11,617.31-4,883.60

Finding the Fourth Proportional to 8,418.33, 11,617.31 and 4,883.60

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Solution

The fourth proportional to 8,418.33, 11,617.31 and 4,883.60 is: 6,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.33 : 11,617.31 = 4,883.60 : x
  2. Step 2: Convert to fraction form
    8,418.33/11,617.31 = 4,883.60/x
  3. Step 3: Cross multiply
    8,418.33x = 11,617.31 × 4,883.60
  4. Step 4: Simplify right side
    8,418.33x = 56,734,212.61
  5. Step 5: Solve for x
    x = 56,734,212.61/8,418.33
  6. Step 6: Final answer
    x = 6,739.37

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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.