Home / 11,007.35-16,481.86-6,618.77

Finding the Fourth Proportional to 11,007.35, 16,481.86 and 6,618.77

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Solution

The fourth proportional to 11,007.35, 16,481.86 and 6,618.77 is: 9,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.35 : 16,481.86 = 6,618.77 : x
  2. Step 2: Convert to fraction form
    11,007.35/16,481.86 = 6,618.77/x
  3. Step 3: Cross multiply
    11,007.35x = 16,481.86 × 6,618.77
  4. Step 4: Simplify right side
    11,007.35x = 109,089,640.51
  5. Step 5: Solve for x
    x = 109,089,640.51/11,007.35
  6. Step 6: Final answer
    x = 9,910.62

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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.