Home / 8,017.92-11,054.61-5,180.49

Finding the Fourth Proportional to 8,017.92, 11,054.61 and 5,180.49

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Solution

The fourth proportional to 8,017.92, 11,054.61 and 5,180.49 is: 7,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.92 : 11,054.61 = 5,180.49 : x
  2. Step 2: Convert to fraction form
    8,017.92/11,054.61 = 5,180.49/x
  3. Step 3: Cross multiply
    8,017.92x = 11,054.61 × 5,180.49
  4. Step 4: Simplify right side
    8,017.92x = 57,268,296.56
  5. Step 5: Solve for x
    x = 57,268,296.56/8,017.92
  6. Step 6: Final answer
    x = 7,142.54

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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.