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Finding the Fourth Proportional to 11,086.92, 15,303.06 and 6,609.24

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Solution

The fourth proportional to 11,086.92, 15,303.06 and 6,609.24 is: 9,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.92 : 15,303.06 = 6,609.24 : x
  2. Step 2: Convert to fraction form
    11,086.92/15,303.06 = 6,609.24/x
  3. Step 3: Cross multiply
    11,086.92x = 15,303.06 × 6,609.24
  4. Step 4: Simplify right side
    11,086.92x = 101,141,596.27
  5. Step 5: Solve for x
    x = 101,141,596.27/11,086.92
  6. Step 6: Final answer
    x = 9,122.61

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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.