Home / 11,994.36-17,991.46-9,225.96

Finding the Fourth Proportional to 11,994.36, 17,991.46 and 9,225.96

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Solution

The fourth proportional to 11,994.36, 17,991.46 and 9,225.96 is: 13,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.36 : 17,991.46 = 9,225.96 : x
  2. Step 2: Convert to fraction form
    11,994.36/17,991.46 = 9,225.96/x
  3. Step 3: Cross multiply
    11,994.36x = 17,991.46 × 9,225.96
  4. Step 4: Simplify right side
    11,994.36x = 165,988,490.30
  5. Step 5: Solve for x
    x = 165,988,490.30/11,994.36
  6. Step 6: Final answer
    x = 13,838.88

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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.