Home / 8,110.29-11,190.96-4,572.81

Finding the Fourth Proportional to 8,110.29, 11,190.96 and 4,572.81

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Solution

The fourth proportional to 8,110.29, 11,190.96 and 4,572.81 is: 6,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.29 : 11,190.96 = 4,572.81 : x
  2. Step 2: Convert to fraction form
    8,110.29/11,190.96 = 4,572.81/x
  3. Step 3: Cross multiply
    8,110.29x = 11,190.96 × 4,572.81
  4. Step 4: Simplify right side
    8,110.29x = 51,174,133.80
  5. Step 5: Solve for x
    x = 51,174,133.80/8,110.29
  6. Step 6: Final answer
    x = 6,309.78

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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.