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Finding the Fourth Proportional to 11,078.86, 15,288.86 and 6,043.11

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Solution

The fourth proportional to 11,078.86, 15,288.86 and 6,043.11 is: 8,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.86 : 15,288.86 = 6,043.11 : x
  2. Step 2: Convert to fraction form
    11,078.86/15,288.86 = 6,043.11/x
  3. Step 3: Cross multiply
    11,078.86x = 15,288.86 × 6,043.11
  4. Step 4: Simplify right side
    11,078.86x = 92,392,262.75
  5. Step 5: Solve for x
    x = 92,392,262.75/11,078.86
  6. Step 6: Final answer
    x = 8,339.51

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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.