Home / 8,180.60-11,284.20-4,992.38

Finding the Fourth Proportional to 8,180.60, 11,284.20 and 4,992.38

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Solution

The fourth proportional to 8,180.60, 11,284.20 and 4,992.38 is: 6,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.60 : 11,284.20 = 4,992.38 : x
  2. Step 2: Convert to fraction form
    8,180.60/11,284.20 = 4,992.38/x
  3. Step 3: Cross multiply
    8,180.60x = 11,284.20 × 4,992.38
  4. Step 4: Simplify right side
    8,180.60x = 56,335,014.40
  5. Step 5: Solve for x
    x = 56,335,014.40/8,180.60
  6. Step 6: Final answer
    x = 6,886.42

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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.