Home / 11,694.04-16,137.83-6,388.88

Finding the Fourth Proportional to 11,694.04, 16,137.83 and 6,388.88

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Solution

The fourth proportional to 11,694.04, 16,137.83 and 6,388.88 is: 8,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.04 : 16,137.83 = 6,388.88 : x
  2. Step 2: Convert to fraction form
    11,694.04/16,137.83 = 6,388.88/x
  3. Step 3: Cross multiply
    11,694.04x = 16,137.83 × 6,388.88
  4. Step 4: Simplify right side
    11,694.04x = 103,102,594.61
  5. Step 5: Solve for x
    x = 103,102,594.61/11,694.04
  6. Step 6: Final answer
    x = 8,816.68

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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.