Home / 11,909.25-16,434.77-6,604.88

Finding the Fourth Proportional to 11,909.25, 16,434.77 and 6,604.88

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Solution

The fourth proportional to 11,909.25, 16,434.77 and 6,604.88 is: 9,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.25 : 16,434.77 = 6,604.88 : x
  2. Step 2: Convert to fraction form
    11,909.25/16,434.77 = 6,604.88/x
  3. Step 3: Cross multiply
    11,909.25x = 16,434.77 × 6,604.88
  4. Step 4: Simplify right side
    11,909.25x = 108,549,568.48
  5. Step 5: Solve for x
    x = 108,549,568.48/11,909.25
  6. Step 6: Final answer
    x = 9,114.73

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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.