Home / 11,660.18-16,106.44-8,641.44

Finding the Fourth Proportional to 11,660.18, 16,106.44 and 8,641.44

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Solution

The fourth proportional to 11,660.18, 16,106.44 and 8,641.44 is: 11,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.18 : 16,106.44 = 8,641.44 : x
  2. Step 2: Convert to fraction form
    11,660.18/16,106.44 = 8,641.44/x
  3. Step 3: Cross multiply
    11,660.18x = 16,106.44 × 8,641.44
  4. Step 4: Simplify right side
    11,660.18x = 139,182,834.87
  5. Step 5: Solve for x
    x = 139,182,834.87/11,660.18
  6. Step 6: Final answer
    x = 11,936.59

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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.