Home / 11,791.80-16,272.67-7,076.08

Finding the Fourth Proportional to 11,791.80, 16,272.67 and 7,076.08

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Solution

The fourth proportional to 11,791.80, 16,272.67 and 7,076.08 is: 9,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.80 : 16,272.67 = 7,076.08 : x
  2. Step 2: Convert to fraction form
    11,791.80/16,272.67 = 7,076.08/x
  3. Step 3: Cross multiply
    11,791.80x = 16,272.67 × 7,076.08
  4. Step 4: Simplify right side
    11,791.80x = 115,146,714.73
  5. Step 5: Solve for x
    x = 115,146,714.73/11,791.80
  6. Step 6: Final answer
    x = 9,764.98

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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.