Home / 9,101.19-12,553.20-8,796.36

Finding the Fourth Proportional to 9,101.19, 12,553.20 and 8,796.36

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Solution

The fourth proportional to 9,101.19, 12,553.20 and 8,796.36 is: 12,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.19 : 12,553.20 = 8,796.36 : x
  2. Step 2: Convert to fraction form
    9,101.19/12,553.20 = 8,796.36/x
  3. Step 3: Cross multiply
    9,101.19x = 12,553.20 × 8,796.36
  4. Step 4: Simplify right side
    9,101.19x = 110,422,466.35
  5. Step 5: Solve for x
    x = 110,422,466.35/9,101.19
  6. Step 6: Final answer
    x = 12,132.75

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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.