Home / 8,175.65-11,282.77-4,818.61

Finding the Fourth Proportional to 8,175.65, 11,282.77 and 4,818.61

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Solution

The fourth proportional to 8,175.65, 11,282.77 and 4,818.61 is: 6,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.65 : 11,282.77 = 4,818.61 : x
  2. Step 2: Convert to fraction form
    8,175.65/11,282.77 = 4,818.61/x
  3. Step 3: Cross multiply
    8,175.65x = 11,282.77 × 4,818.61
  4. Step 4: Simplify right side
    8,175.65x = 54,367,268.35
  5. Step 5: Solve for x
    x = 54,367,268.35/8,175.65
  6. Step 6: Final answer
    x = 6,649.90

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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.