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Finding the Fourth Proportional to 11,090.88, 16,630.88 and 6,936.32

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Solution

The fourth proportional to 11,090.88, 16,630.88 and 6,936.32 is: 10,401.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.88 : 16,630.88 = 6,936.32 : x
  2. Step 2: Convert to fraction form
    11,090.88/16,630.88 = 6,936.32/x
  3. Step 3: Cross multiply
    11,090.88x = 16,630.88 × 6,936.32
  4. Step 4: Simplify right side
    11,090.88x = 115,357,105.56
  5. Step 5: Solve for x
    x = 115,357,105.56/11,090.88
  6. Step 6: Final answer
    x = 10,401.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.