Home / 11,933.64-17,901.36-3,168.36

Finding the Fourth Proportional to 11,933.64, 17,901.36 and 3,168.36

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Solution

The fourth proportional to 11,933.64, 17,901.36 and 3,168.36 is: 4,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.64 : 17,901.36 = 3,168.36 : x
  2. Step 2: Convert to fraction form
    11,933.64/17,901.36 = 3,168.36/x
  3. Step 3: Cross multiply
    11,933.64x = 17,901.36 × 3,168.36
  4. Step 4: Simplify right side
    11,933.64x = 56,717,952.97
  5. Step 5: Solve for x
    x = 56,717,952.97/11,933.64
  6. Step 6: Final answer
    x = 4,752.78

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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.