Home / 11,162.64-15,404.92-6,685.54

Finding the Fourth Proportional to 11,162.64, 15,404.92 and 6,685.54

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Solution

The fourth proportional to 11,162.64, 15,404.92 and 6,685.54 is: 9,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.64 : 15,404.92 = 6,685.54 : x
  2. Step 2: Convert to fraction form
    11,162.64/15,404.92 = 6,685.54/x
  3. Step 3: Cross multiply
    11,162.64x = 15,404.92 × 6,685.54
  4. Step 4: Simplify right side
    11,162.64x = 102,990,208.86
  5. Step 5: Solve for x
    x = 102,990,208.86/11,162.64
  6. Step 6: Final answer
    x = 9,226.33

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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.