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Finding the Fourth Proportional to 11,112, 15,334.60 and 6,076.32

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Solution

The fourth proportional to 11,112, 15,334.60 and 6,076.32 is: 8,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112 : 15,334.60 = 6,076.32 : x
  2. Step 2: Convert to fraction form
    11,112/15,334.60 = 6,076.32/x
  3. Step 3: Cross multiply
    11,112x = 15,334.60 × 6,076.32
  4. Step 4: Simplify right side
    11,112x = 93,177,936.67
  5. Step 5: Solve for x
    x = 93,177,936.67/11,112
  6. Step 6: Final answer
    x = 8,385.34

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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.