Home / 11,968.22-16,515.51-6,662.09

Finding the Fourth Proportional to 11,968.22, 16,515.51 and 6,662.09

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Solution

The fourth proportional to 11,968.22, 16,515.51 and 6,662.09 is: 9,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.22 : 16,515.51 = 6,662.09 : x
  2. Step 2: Convert to fraction form
    11,968.22/16,515.51 = 6,662.09/x
  3. Step 3: Cross multiply
    11,968.22x = 16,515.51 × 6,662.09
  4. Step 4: Simplify right side
    11,968.22x = 110,027,814.02
  5. Step 5: Solve for x
    x = 110,027,814.02/11,968.22
  6. Step 6: Final answer
    x = 9,193.33

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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.