Home / 11,962.72-16,491.45-8,414.92

Finding the Fourth Proportional to 11,962.72, 16,491.45 and 8,414.92

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Solution

The fourth proportional to 11,962.72, 16,491.45 and 8,414.92 is: 11,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.72 : 16,491.45 = 8,414.92 : x
  2. Step 2: Convert to fraction form
    11,962.72/16,491.45 = 8,414.92/x
  3. Step 3: Cross multiply
    11,962.72x = 16,491.45 × 8,414.92
  4. Step 4: Simplify right side
    11,962.72x = 138,774,237.27
  5. Step 5: Solve for x
    x = 138,774,237.27/11,962.72
  6. Step 6: Final answer
    x = 11,600.56

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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.