Home / 8,083.32-11,154.74-4,546.78

Finding the Fourth Proportional to 8,083.32, 11,154.74 and 4,546.78

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Solution

The fourth proportional to 8,083.32, 11,154.74 and 4,546.78 is: 6,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.32 : 11,154.74 = 4,546.78 : x
  2. Step 2: Convert to fraction form
    8,083.32/11,154.74 = 4,546.78/x
  3. Step 3: Cross multiply
    8,083.32x = 11,154.74 × 4,546.78
  4. Step 4: Simplify right side
    8,083.32x = 50,718,148.74
  5. Step 5: Solve for x
    x = 50,718,148.74/8,083.32
  6. Step 6: Final answer
    x = 6,274.42

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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.