Home / 12,116.75-18,175.13-3,232.11

Finding the Fourth Proportional to 12,116.75, 18,175.13 and 3,232.11

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Solution

The fourth proportional to 12,116.75, 18,175.13 and 3,232.11 is: 4,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.75 : 18,175.13 = 3,232.11 : x
  2. Step 2: Convert to fraction form
    12,116.75/18,175.13 = 3,232.11/x
  3. Step 3: Cross multiply
    12,116.75x = 18,175.13 × 3,232.11
  4. Step 4: Simplify right side
    12,116.75x = 58,744,003.26
  5. Step 5: Solve for x
    x = 58,744,003.26/12,116.75
  6. Step 6: Final answer
    x = 4,848.17

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.