Home / 11,112.60-15,334.86-6,076.92

Finding the Fourth Proportional to 11,112.60, 15,334.86 and 6,076.92

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Solution

The fourth proportional to 11,112.60, 15,334.86 and 6,076.92 is: 8,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.60 : 15,334.86 = 6,076.92 : x
  2. Step 2: Convert to fraction form
    11,112.60/15,334.86 = 6,076.92/x
  3. Step 3: Cross multiply
    11,112.60x = 15,334.86 × 6,076.92
  4. Step 4: Simplify right side
    11,112.60x = 93,188,717.43
  5. Step 5: Solve for x
    x = 93,188,717.43/11,112.60
  6. Step 6: Final answer
    x = 8,385.86

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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.