Home / 7,707.88-11,550.66-4,194.91

Finding the Fourth Proportional to 7,707.88, 11,550.66 and 4,194.91

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Solution

The fourth proportional to 7,707.88, 11,550.66 and 4,194.91 is: 6,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.88 : 11,550.66 = 4,194.91 : x
  2. Step 2: Convert to fraction form
    7,707.88/11,550.66 = 4,194.91/x
  3. Step 3: Cross multiply
    7,707.88x = 11,550.66 × 4,194.91
  4. Step 4: Simplify right side
    7,707.88x = 48,453,979.14
  5. Step 5: Solve for x
    x = 48,453,979.14/7,707.88
  6. Step 6: Final answer
    x = 6,286.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.