Home / 11,540.39-17,310.57-6,606.55

Finding the Fourth Proportional to 11,540.39, 17,310.57 and 6,606.55

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Solution

The fourth proportional to 11,540.39, 17,310.57 and 6,606.55 is: 9,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.39 : 17,310.57 = 6,606.55 : x
  2. Step 2: Convert to fraction form
    11,540.39/17,310.57 = 6,606.55/x
  3. Step 3: Cross multiply
    11,540.39x = 17,310.57 × 6,606.55
  4. Step 4: Simplify right side
    11,540.39x = 114,363,102.96
  5. Step 5: Solve for x
    x = 114,363,102.96/11,540.39
  6. Step 6: Final answer
    x = 9,909.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.