Home / 11,209.20-16,812.45-4,634.70

Finding the Fourth Proportional to 11,209.20, 16,812.45 and 4,634.70

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Solution

The fourth proportional to 11,209.20, 16,812.45 and 4,634.70 is: 6,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.20 : 16,812.45 = 4,634.70 : x
  2. Step 2: Convert to fraction form
    11,209.20/16,812.45 = 4,634.70/x
  3. Step 3: Cross multiply
    11,209.20x = 16,812.45 × 4,634.70
  4. Step 4: Simplify right side
    11,209.20x = 77,920,662.02
  5. Step 5: Solve for x
    x = 77,920,662.02/11,209.20
  6. Step 6: Final answer
    x = 6,951.49

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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.