Home / 11,924.71-16,454.91-6,618.95

Finding the Fourth Proportional to 11,924.71, 16,454.91 and 6,618.95

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Solution

The fourth proportional to 11,924.71, 16,454.91 and 6,618.95 is: 9,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.71 : 16,454.91 = 6,618.95 : x
  2. Step 2: Convert to fraction form
    11,924.71/16,454.91 = 6,618.95/x
  3. Step 3: Cross multiply
    11,924.71x = 16,454.91 × 6,618.95
  4. Step 4: Simplify right side
    11,924.71x = 108,914,226.54
  5. Step 5: Solve for x
    x = 108,914,226.54/11,924.71
  6. Step 6: Final answer
    x = 9,133.49

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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.