Home / 11,960.88-16,505.92-6,655.72

Finding the Fourth Proportional to 11,960.88, 16,505.92 and 6,655.72

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Solution

The fourth proportional to 11,960.88, 16,505.92 and 6,655.72 is: 9,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.88 : 16,505.92 = 6,655.72 : x
  2. Step 2: Convert to fraction form
    11,960.88/16,505.92 = 6,655.72/x
  3. Step 3: Cross multiply
    11,960.88x = 16,505.92 × 6,655.72
  4. Step 4: Simplify right side
    11,960.88x = 109,858,781.86
  5. Step 5: Solve for x
    x = 109,858,781.86/11,960.88
  6. Step 6: Final answer
    x = 9,184.84

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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.