Home / 11,191.35-16,793.10-4,618.20

Finding the Fourth Proportional to 11,191.35, 16,793.10 and 4,618.20

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Solution

The fourth proportional to 11,191.35, 16,793.10 and 4,618.20 is: 6,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.35 : 16,793.10 = 4,618.20 : x
  2. Step 2: Convert to fraction form
    11,191.35/16,793.10 = 4,618.20/x
  3. Step 3: Cross multiply
    11,191.35x = 16,793.10 × 4,618.20
  4. Step 4: Simplify right side
    11,191.35x = 77,553,894.42
  5. Step 5: Solve for x
    x = 77,553,894.42/11,191.35
  6. Step 6: Final answer
    x = 6,929.81

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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.