Home / 11,924.07-16,455.20-6,618.88

Finding the Fourth Proportional to 11,924.07, 16,455.20 and 6,618.88

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Solution

The fourth proportional to 11,924.07, 16,455.20 and 6,618.88 is: 9,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.07 : 16,455.20 = 6,618.88 : x
  2. Step 2: Convert to fraction form
    11,924.07/16,455.20 = 6,618.88/x
  3. Step 3: Cross multiply
    11,924.07x = 16,455.20 × 6,618.88
  4. Step 4: Simplify right side
    11,924.07x = 108,914,969.59
  5. Step 5: Solve for x
    x = 108,914,969.59/11,924.07
  6. Step 6: Final answer
    x = 9,134.04

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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.