Home / 8,188.41-11,298.65-4,650.33

Finding the Fourth Proportional to 8,188.41, 11,298.65 and 4,650.33

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Solution

The fourth proportional to 8,188.41, 11,298.65 and 4,650.33 is: 6,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.41 : 11,298.65 = 4,650.33 : x
  2. Step 2: Convert to fraction form
    8,188.41/11,298.65 = 4,650.33/x
  3. Step 3: Cross multiply
    8,188.41x = 11,298.65 × 4,650.33
  4. Step 4: Simplify right side
    8,188.41x = 52,542,427.80
  5. Step 5: Solve for x
    x = 52,542,427.80/8,188.41
  6. Step 6: Final answer
    x = 6,416.68

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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.