Home / 12,071.14-18,115.26-5,498.18

Finding the Fourth Proportional to 12,071.14, 18,115.26 and 5,498.18

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Solution

The fourth proportional to 12,071.14, 18,115.26 and 5,498.18 is: 8,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.14 : 18,115.26 = 5,498.18 : x
  2. Step 2: Convert to fraction form
    12,071.14/18,115.26 = 5,498.18/x
  3. Step 3: Cross multiply
    12,071.14x = 18,115.26 × 5,498.18
  4. Step 4: Simplify right side
    12,071.14x = 99,600,960.23
  5. Step 5: Solve for x
    x = 99,600,960.23/12,071.14
  6. Step 6: Final answer
    x = 8,251.16

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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.