Home / 8,182.88-12,279.36-3,566.24

Finding the Fourth Proportional to 8,182.88, 12,279.36 and 3,566.24

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Solution

The fourth proportional to 8,182.88, 12,279.36 and 3,566.24 is: 5,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.88 : 12,279.36 = 3,566.24 : x
  2. Step 2: Convert to fraction form
    8,182.88/12,279.36 = 3,566.24/x
  3. Step 3: Cross multiply
    8,182.88x = 12,279.36 × 3,566.24
  4. Step 4: Simplify right side
    8,182.88x = 43,791,144.81
  5. Step 5: Solve for x
    x = 43,791,144.81/8,182.88
  6. Step 6: Final answer
    x = 5,351.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.