Home / 11,671.07-16,105.67-6,635.50

Finding the Fourth Proportional to 11,671.07, 16,105.67 and 6,635.50

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Solution

The fourth proportional to 11,671.07, 16,105.67 and 6,635.50 is: 9,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.07 : 16,105.67 = 6,635.50 : x
  2. Step 2: Convert to fraction form
    11,671.07/16,105.67 = 6,635.50/x
  3. Step 3: Cross multiply
    11,671.07x = 16,105.67 × 6,635.50
  4. Step 4: Simplify right side
    11,671.07x = 106,869,124.73
  5. Step 5: Solve for x
    x = 106,869,124.73/11,671.07
  6. Step 6: Final answer
    x = 9,156.76

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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.