Home / 11,995.39-16,553.46-6,690.09

Finding the Fourth Proportional to 11,995.39, 16,553.46 and 6,690.09

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Solution

The fourth proportional to 11,995.39, 16,553.46 and 6,690.09 is: 9,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.39 : 16,553.46 = 6,690.09 : x
  2. Step 2: Convert to fraction form
    11,995.39/16,553.46 = 6,690.09/x
  3. Step 3: Cross multiply
    11,995.39x = 16,553.46 × 6,690.09
  4. Step 4: Simplify right side
    11,995.39x = 110,744,224.37
  5. Step 5: Solve for x
    x = 110,744,224.37/11,995.39
  6. Step 6: Final answer
    x = 9,232.23

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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.