Home / 6,766.08-9,336.81-3,781.32

Finding the Fourth Proportional to 6,766.08, 9,336.81 and 3,781.32

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Solution

The fourth proportional to 6,766.08, 9,336.81 and 3,781.32 is: 5,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.08 : 9,336.81 = 3,781.32 : x
  2. Step 2: Convert to fraction form
    6,766.08/9,336.81 = 3,781.32/x
  3. Step 3: Cross multiply
    6,766.08x = 9,336.81 × 3,781.32
  4. Step 4: Simplify right side
    6,766.08x = 35,305,466.39
  5. Step 5: Solve for x
    x = 35,305,466.39/6,766.08
  6. Step 6: Final answer
    x = 5,218.01

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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.