Home / 11,745.86-16,208.96-6,709.28

Finding the Fourth Proportional to 11,745.86, 16,208.96 and 6,709.28

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Solution

The fourth proportional to 11,745.86, 16,208.96 and 6,709.28 is: 9,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.86 : 16,208.96 = 6,709.28 : x
  2. Step 2: Convert to fraction form
    11,745.86/16,208.96 = 6,709.28/x
  3. Step 3: Cross multiply
    11,745.86x = 16,208.96 × 6,709.28
  4. Step 4: Simplify right side
    11,745.86x = 108,750,336.56
  5. Step 5: Solve for x
    x = 108,750,336.56/11,745.86
  6. Step 6: Final answer
    x = 9,258.61

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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.