Home / 11,480.62-15,845.79-6,767.64

Finding the Fourth Proportional to 11,480.62, 15,845.79 and 6,767.64

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Solution

The fourth proportional to 11,480.62, 15,845.79 and 6,767.64 is: 9,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.62 : 15,845.79 = 6,767.64 : x
  2. Step 2: Convert to fraction form
    11,480.62/15,845.79 = 6,767.64/x
  3. Step 3: Cross multiply
    11,480.62x = 15,845.79 × 6,767.64
  4. Step 4: Simplify right side
    11,480.62x = 107,238,602.24
  5. Step 5: Solve for x
    x = 107,238,602.24/11,480.62
  6. Step 6: Final answer
    x = 9,340.84

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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.