Home / 8,108.43-11,189.29-4,572.37

Finding the Fourth Proportional to 8,108.43, 11,189.29 and 4,572.37

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Solution

The fourth proportional to 8,108.43, 11,189.29 and 4,572.37 is: 6,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.43 : 11,189.29 = 4,572.37 : x
  2. Step 2: Convert to fraction form
    8,108.43/11,189.29 = 4,572.37/x
  3. Step 3: Cross multiply
    8,108.43x = 11,189.29 × 4,572.37
  4. Step 4: Simplify right side
    8,108.43x = 51,161,573.92
  5. Step 5: Solve for x
    x = 51,161,573.92/8,108.43
  6. Step 6: Final answer
    x = 6,309.68

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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.