Home / 11,669.76-16,104.20-6,364.56

Finding the Fourth Proportional to 11,669.76, 16,104.20 and 6,364.56

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Solution

The fourth proportional to 11,669.76, 16,104.20 and 6,364.56 is: 8,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.76 : 16,104.20 = 6,364.56 : x
  2. Step 2: Convert to fraction form
    11,669.76/16,104.20 = 6,364.56/x
  3. Step 3: Cross multiply
    11,669.76x = 16,104.20 × 6,364.56
  4. Step 4: Simplify right side
    11,669.76x = 102,496,147.15
  5. Step 5: Solve for x
    x = 102,496,147.15/11,669.76
  6. Step 6: Final answer
    x = 8,783.06

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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.