Home / 11,597.22-15,998.85-6,879.78

Finding the Fourth Proportional to 11,597.22, 15,998.85 and 6,879.78

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Solution

The fourth proportional to 11,597.22, 15,998.85 and 6,879.78 is: 9,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,597.22 : 15,998.85 = 6,879.78 : x
  2. Step 2: Convert to fraction form
    11,597.22/15,998.85 = 6,879.78/x
  3. Step 3: Cross multiply
    11,597.22x = 15,998.85 × 6,879.78
  4. Step 4: Simplify right side
    11,597.22x = 110,068,568.25
  5. Step 5: Solve for x
    x = 110,068,568.25/11,597.22
  6. Step 6: Final answer
    x = 9,490.94

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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.