Home / 10,981.71-16,473.11-3,190.59

Finding the Fourth Proportional to 10,981.71, 16,473.11 and 3,190.59

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Solution

The fourth proportional to 10,981.71, 16,473.11 and 3,190.59 is: 4,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.71 : 16,473.11 = 3,190.59 : x
  2. Step 2: Convert to fraction form
    10,981.71/16,473.11 = 3,190.59/x
  3. Step 3: Cross multiply
    10,981.71x = 16,473.11 × 3,190.59
  4. Step 4: Simplify right side
    10,981.71x = 52,558,924.08
  5. Step 5: Solve for x
    x = 52,558,924.08/10,981.71
  6. Step 6: Final answer
    x = 4,786.04

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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.