Home / 11,699.44-16,146.24-6,665.20

Finding the Fourth Proportional to 11,699.44, 16,146.24 and 6,665.20

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Solution

The fourth proportional to 11,699.44, 16,146.24 and 6,665.20 is: 9,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.44 : 16,146.24 = 6,665.20 : x
  2. Step 2: Convert to fraction form
    11,699.44/16,146.24 = 6,665.20/x
  3. Step 3: Cross multiply
    11,699.44x = 16,146.24 × 6,665.20
  4. Step 4: Simplify right side
    11,699.44x = 107,617,918.85
  5. Step 5: Solve for x
    x = 107,617,918.85/11,699.44
  6. Step 6: Final answer
    x = 9,198.55

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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.