Home / 11,195.84-16,788.90-6,520.52

Finding the Fourth Proportional to 11,195.84, 16,788.90 and 6,520.52

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Solution

The fourth proportional to 11,195.84, 16,788.90 and 6,520.52 is: 9,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.84 : 16,788.90 = 6,520.52 : x
  2. Step 2: Convert to fraction form
    11,195.84/16,788.90 = 6,520.52/x
  3. Step 3: Cross multiply
    11,195.84x = 16,788.90 × 6,520.52
  4. Step 4: Simplify right side
    11,195.84x = 109,472,358.23
  5. Step 5: Solve for x
    x = 109,472,358.23/11,195.84
  6. Step 6: Final answer
    x = 9,777.95

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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.