Home / 8,272.66-11,418.95-5,296.52

Finding the Fourth Proportional to 8,272.66, 11,418.95 and 5,296.52

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Solution

The fourth proportional to 8,272.66, 11,418.95 and 5,296.52 is: 7,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.66 : 11,418.95 = 5,296.52 : x
  2. Step 2: Convert to fraction form
    8,272.66/11,418.95 = 5,296.52/x
  3. Step 3: Cross multiply
    8,272.66x = 11,418.95 × 5,296.52
  4. Step 4: Simplify right side
    8,272.66x = 60,480,697.05
  5. Step 5: Solve for x
    x = 60,480,697.05/8,272.66
  6. Step 6: Final answer
    x = 7,310.91

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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.