Home / 8,182.27-11,291.60-4,645.55

Finding the Fourth Proportional to 8,182.27, 11,291.60 and 4,645.55

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Solution

The fourth proportional to 8,182.27, 11,291.60 and 4,645.55 is: 6,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.27 : 11,291.60 = 4,645.55 : x
  2. Step 2: Convert to fraction form
    8,182.27/11,291.60 = 4,645.55/x
  3. Step 3: Cross multiply
    8,182.27x = 11,291.60 × 4,645.55
  4. Step 4: Simplify right side
    8,182.27x = 52,455,732.22
  5. Step 5: Solve for x
    x = 52,455,732.22/8,182.27
  6. Step 6: Final answer
    x = 6,410.91

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Half scale
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Double scale
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Similar ratio
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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.