Home / 13,063.67-18,033.03-9,087.09

Finding the Fourth Proportional to 13,063.67, 18,033.03 and 9,087.09

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Solution

The fourth proportional to 13,063.67, 18,033.03 and 9,087.09 is: 12,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.67 : 18,033.03 = 9,087.09 : x
  2. Step 2: Convert to fraction form
    13,063.67/18,033.03 = 9,087.09/x
  3. Step 3: Cross multiply
    13,063.67x = 18,033.03 × 9,087.09
  4. Step 4: Simplify right side
    13,063.67x = 163,867,676.42
  5. Step 5: Solve for x
    x = 163,867,676.42/13,063.67
  6. Step 6: Final answer
    x = 12,543.78

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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.