Home / 11,479.62-15,844.41-6,766.64

Finding the Fourth Proportional to 11,479.62, 15,844.41 and 6,766.64

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Solution

The fourth proportional to 11,479.62, 15,844.41 and 6,766.64 is: 9,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.62 : 15,844.41 = 6,766.64 : x
  2. Step 2: Convert to fraction form
    11,479.62/15,844.41 = 6,766.64/x
  3. Step 3: Cross multiply
    11,479.62x = 15,844.41 × 6,766.64
  4. Step 4: Simplify right side
    11,479.62x = 107,213,398.68
  5. Step 5: Solve for x
    x = 107,213,398.68/11,479.62
  6. Step 6: Final answer
    x = 9,339.45

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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.