Home / 8,327.19-11,493.12-5,346.79

Finding the Fourth Proportional to 8,327.19, 11,493.12 and 5,346.79

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Solution

The fourth proportional to 8,327.19, 11,493.12 and 5,346.79 is: 7,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.19 : 11,493.12 = 5,346.79 : x
  2. Step 2: Convert to fraction form
    8,327.19/11,493.12 = 5,346.79/x
  3. Step 3: Cross multiply
    8,327.19x = 11,493.12 × 5,346.79
  4. Step 4: Simplify right side
    8,327.19x = 61,451,299.08
  5. Step 5: Solve for x
    x = 61,451,299.08/8,327.19
  6. Step 6: Final answer
    x = 7,379.60

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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.