Home / 9,101.36-12,563.75-6,118.92

Finding the Fourth Proportional to 9,101.36, 12,563.75 and 6,118.92

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Solution

The fourth proportional to 9,101.36, 12,563.75 and 6,118.92 is: 8,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.36 : 12,563.75 = 6,118.92 : x
  2. Step 2: Convert to fraction form
    9,101.36/12,563.75 = 6,118.92/x
  3. Step 3: Cross multiply
    9,101.36x = 12,563.75 × 6,118.92
  4. Step 4: Simplify right side
    9,101.36x = 76,876,550.56
  5. Step 5: Solve for x
    x = 76,876,550.56/9,101.36
  6. Step 6: Final answer
    x = 8,446.71

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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.