Home / 11,481.09-17,188.18-8,532.59

Finding the Fourth Proportional to 11,481.09, 17,188.18 and 8,532.59

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Solution

The fourth proportional to 11,481.09, 17,188.18 and 8,532.59 is: 12,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.09 : 17,188.18 = 8,532.59 : x
  2. Step 2: Convert to fraction form
    11,481.09/17,188.18 = 8,532.59/x
  3. Step 3: Cross multiply
    11,481.09x = 17,188.18 × 8,532.59
  4. Step 4: Simplify right side
    11,481.09x = 146,659,730.19
  5. Step 5: Solve for x
    x = 146,659,730.19/11,481.09
  6. Step 6: Final answer
    x = 12,774.02

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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.