Home / 8,108.16-11,189.24-4,571.37

Finding the Fourth Proportional to 8,108.16, 11,189.24 and 4,571.37

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Solution

The fourth proportional to 8,108.16, 11,189.24 and 4,571.37 is: 6,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.16 : 11,189.24 = 4,571.37 : x
  2. Step 2: Convert to fraction form
    8,108.16/11,189.24 = 4,571.37/x
  3. Step 3: Cross multiply
    8,108.16x = 11,189.24 × 4,571.37
  4. Step 4: Simplify right side
    8,108.16x = 51,150,197.04
  5. Step 5: Solve for x
    x = 51,150,197.04/8,108.16
  6. Step 6: Final answer
    x = 6,308.49

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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.