Home / 11,995.24-16,553.82-6,690.28

Finding the Fourth Proportional to 11,995.24, 16,553.82 and 6,690.28

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Solution

The fourth proportional to 11,995.24, 16,553.82 and 6,690.28 is: 9,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.24 : 16,553.82 = 6,690.28 : x
  2. Step 2: Convert to fraction form
    11,995.24/16,553.82 = 6,690.28/x
  3. Step 3: Cross multiply
    11,995.24x = 16,553.82 × 6,690.28
  4. Step 4: Simplify right side
    11,995.24x = 110,749,690.87
  5. Step 5: Solve for x
    x = 110,749,690.87/11,995.24
  6. Step 6: Final answer
    x = 9,232.80

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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.