Home / 11,922.60-16,453.26-6,617.52

Finding the Fourth Proportional to 11,922.60, 16,453.26 and 6,617.52

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Solution

The fourth proportional to 11,922.60, 16,453.26 and 6,617.52 is: 9,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.60 : 16,453.26 = 6,617.52 : x
  2. Step 2: Convert to fraction form
    11,922.60/16,453.26 = 6,617.52/x
  3. Step 3: Cross multiply
    11,922.60x = 16,453.26 × 6,617.52
  4. Step 4: Simplify right side
    11,922.60x = 108,879,777.12
  5. Step 5: Solve for x
    x = 108,879,777.12/11,922.60
  6. Step 6: Final answer
    x = 9,132.22

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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.