Home / 8,865.46-12,234.38-4,886.49

Finding the Fourth Proportional to 8,865.46, 12,234.38 and 4,886.49

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Solution

The fourth proportional to 8,865.46, 12,234.38 and 4,886.49 is: 6,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.46 : 12,234.38 = 4,886.49 : x
  2. Step 2: Convert to fraction form
    8,865.46/12,234.38 = 4,886.49/x
  3. Step 3: Cross multiply
    8,865.46x = 12,234.38 × 4,886.49
  4. Step 4: Simplify right side
    8,865.46x = 59,783,196.97
  5. Step 5: Solve for x
    x = 59,783,196.97/8,865.46
  6. Step 6: Final answer
    x = 6,743.38

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Half scale
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Double scale
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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.