Home / 12,013.38-18,020.07-4,616.46

Finding the Fourth Proportional to 12,013.38, 18,020.07 and 4,616.46

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Solution

The fourth proportional to 12,013.38, 18,020.07 and 4,616.46 is: 6,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.38 : 18,020.07 = 4,616.46 : x
  2. Step 2: Convert to fraction form
    12,013.38/18,020.07 = 4,616.46/x
  3. Step 3: Cross multiply
    12,013.38x = 18,020.07 × 4,616.46
  4. Step 4: Simplify right side
    12,013.38x = 83,188,932.35
  5. Step 5: Solve for x
    x = 83,188,932.35/12,013.38
  6. Step 6: Final answer
    x = 6,924.69

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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.