Home / 8,175.67-11,282.79-4,818.62

Finding the Fourth Proportional to 8,175.67, 11,282.79 and 4,818.62

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Solution

The fourth proportional to 8,175.67, 11,282.79 and 4,818.62 is: 6,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.67 : 11,282.79 = 4,818.62 : x
  2. Step 2: Convert to fraction form
    8,175.67/11,282.79 = 4,818.62/x
  3. Step 3: Cross multiply
    8,175.67x = 11,282.79 × 4,818.62
  4. Step 4: Simplify right side
    8,175.67x = 54,367,477.55
  5. Step 5: Solve for x
    x = 54,367,477.55/8,175.67
  6. Step 6: Final answer
    x = 6,649.91

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Half scale
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Double scale
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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.