Home / 11,995.85-16,553.77-6,691.16

Finding the Fourth Proportional to 11,995.85, 16,553.77 and 6,691.16

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Solution

The fourth proportional to 11,995.85, 16,553.77 and 6,691.16 is: 9,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.85 : 16,553.77 = 6,691.16 : x
  2. Step 2: Convert to fraction form
    11,995.85/16,553.77 = 6,691.16/x
  3. Step 3: Cross multiply
    11,995.85x = 16,553.77 × 6,691.16
  4. Step 4: Simplify right side
    11,995.85x = 110,763,948.33
  5. Step 5: Solve for x
    x = 110,763,948.33/11,995.85
  6. Step 6: Final answer
    x = 9,233.52

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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.