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Finding the Fourth Proportional to 11,054.32, 15,254.92 and 6,086.32

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Solution

The fourth proportional to 11,054.32, 15,254.92 and 6,086.32 is: 8,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.32 : 15,254.92 = 6,086.32 : x
  2. Step 2: Convert to fraction form
    11,054.32/15,254.92 = 6,086.32/x
  3. Step 3: Cross multiply
    11,054.32x = 15,254.92 × 6,086.32
  4. Step 4: Simplify right side
    11,054.32x = 92,846,324.69
  5. Step 5: Solve for x
    x = 92,846,324.69/11,054.32
  6. Step 6: Final answer
    x = 8,399.10

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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.