Home / 11,341.20-16,981.08-5,857.68

Finding the Fourth Proportional to 11,341.20, 16,981.08 and 5,857.68

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Solution

The fourth proportional to 11,341.20, 16,981.08 and 5,857.68 is: 8,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.20 : 16,981.08 = 5,857.68 : x
  2. Step 2: Convert to fraction form
    11,341.20/16,981.08 = 5,857.68/x
  3. Step 3: Cross multiply
    11,341.20x = 16,981.08 × 5,857.68
  4. Step 4: Simplify right side
    11,341.20x = 99,469,732.69
  5. Step 5: Solve for x
    x = 99,469,732.69/11,341.20
  6. Step 6: Final answer
    x = 8,770.65

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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.