Home / 11,956.71-16,500.47-6,651.52

Finding the Fourth Proportional to 11,956.71, 16,500.47 and 6,651.52

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Solution

The fourth proportional to 11,956.71, 16,500.47 and 6,651.52 is: 9,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.71 : 16,500.47 = 6,651.52 : x
  2. Step 2: Convert to fraction form
    11,956.71/16,500.47 = 6,651.52/x
  3. Step 3: Cross multiply
    11,956.71x = 16,500.47 × 6,651.52
  4. Step 4: Simplify right side
    11,956.71x = 109,753,206.21
  5. Step 5: Solve for x
    x = 109,753,206.21/11,956.71
  6. Step 6: Final answer
    x = 9,179.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.