Home / 11,552.86-15,942.96-6,247.68

Finding the Fourth Proportional to 11,552.86, 15,942.96 and 6,247.68

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Solution

The fourth proportional to 11,552.86, 15,942.96 and 6,247.68 is: 8,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.86 : 15,942.96 = 6,247.68 : x
  2. Step 2: Convert to fraction form
    11,552.86/15,942.96 = 6,247.68/x
  3. Step 3: Cross multiply
    11,552.86x = 15,942.96 × 6,247.68
  4. Step 4: Simplify right side
    11,552.86x = 99,606,512.33
  5. Step 5: Solve for x
    x = 99,606,512.33/11,552.86
  6. Step 6: Final answer
    x = 8,621.81

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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.