Home / 11,680.20-17,508.96-4,658.18

Finding the Fourth Proportional to 11,680.20, 17,508.96 and 4,658.18

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Solution

The fourth proportional to 11,680.20, 17,508.96 and 4,658.18 is: 6,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.20 : 17,508.96 = 4,658.18 : x
  2. Step 2: Convert to fraction form
    11,680.20/17,508.96 = 4,658.18/x
  3. Step 3: Cross multiply
    11,680.20x = 17,508.96 × 4,658.18
  4. Step 4: Simplify right side
    11,680.20x = 81,559,799.75
  5. Step 5: Solve for x
    x = 81,559,799.75/11,680.20
  6. Step 6: Final answer
    x = 6,982.74

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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.