Home / 11,996.15-16,554.72-6,691.31

Finding the Fourth Proportional to 11,996.15, 16,554.72 and 6,691.31

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Solution

The fourth proportional to 11,996.15, 16,554.72 and 6,691.31 is: 9,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.15 : 16,554.72 = 6,691.31 : x
  2. Step 2: Convert to fraction form
    11,996.15/16,554.72 = 6,691.31/x
  3. Step 3: Cross multiply
    11,996.15x = 16,554.72 × 6,691.31
  4. Step 4: Simplify right side
    11,996.15x = 110,772,804.87
  5. Step 5: Solve for x
    x = 110,772,804.87/11,996.15
  6. Step 6: Final answer
    x = 9,234.03

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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.