Home / 11,747.02-16,198.23-8,919.58

Finding the Fourth Proportional to 11,747.02, 16,198.23 and 8,919.58

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Solution

The fourth proportional to 11,747.02, 16,198.23 and 8,919.58 is: 12,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.02 : 16,198.23 = 8,919.58 : x
  2. Step 2: Convert to fraction form
    11,747.02/16,198.23 = 8,919.58/x
  3. Step 3: Cross multiply
    11,747.02x = 16,198.23 × 8,919.58
  4. Step 4: Simplify right side
    11,747.02x = 144,481,408.34
  5. Step 5: Solve for x
    x = 144,481,408.34/11,747.02
  6. Step 6: Final answer
    x = 12,299.41

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1.5x scale

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.