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Finding the Fourth Proportional to 11,119.92, 16,698.94 and 9,873.32

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Solution

The fourth proportional to 11,119.92, 16,698.94 and 9,873.32 is: 14,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.92 : 16,698.94 = 9,873.32 : x
  2. Step 2: Convert to fraction form
    11,119.92/16,698.94 = 9,873.32/x
  3. Step 3: Cross multiply
    11,119.92x = 16,698.94 × 9,873.32
  4. Step 4: Simplify right side
    11,119.92x = 164,873,978.28
  5. Step 5: Solve for x
    x = 164,873,978.28/11,119.92
  6. Step 6: Final answer
    x = 14,826.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.