Home / 6,921.14-9,550.91-3,777.26

Finding the Fourth Proportional to 6,921.14, 9,550.91 and 3,777.26

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Solution

The fourth proportional to 6,921.14, 9,550.91 and 3,777.26 is: 5,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.14 : 9,550.91 = 3,777.26 : x
  2. Step 2: Convert to fraction form
    6,921.14/9,550.91 = 3,777.26/x
  3. Step 3: Cross multiply
    6,921.14x = 9,550.91 × 3,777.26
  4. Step 4: Simplify right side
    6,921.14x = 36,076,203.67
  5. Step 5: Solve for x
    x = 36,076,203.67/6,921.14
  6. Step 6: Final answer
    x = 5,212.47

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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.