Home / 8,182.26-11,278.04-5,789.14

Finding the Fourth Proportional to 8,182.26, 11,278.04 and 5,789.14

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Solution

The fourth proportional to 8,182.26, 11,278.04 and 5,789.14 is: 7,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.26 : 11,278.04 = 5,789.14 : x
  2. Step 2: Convert to fraction form
    8,182.26/11,278.04 = 5,789.14/x
  3. Step 3: Cross multiply
    8,182.26x = 11,278.04 × 5,789.14
  4. Step 4: Simplify right side
    8,182.26x = 65,290,152.49
  5. Step 5: Solve for x
    x = 65,290,152.49/8,182.26
  6. Step 6: Final answer
    x = 7,979.48

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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.