Home / 11,671.26-16,106.36-6,635.49

Finding the Fourth Proportional to 11,671.26, 16,106.36 and 6,635.49

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Solution

The fourth proportional to 11,671.26, 16,106.36 and 6,635.49 is: 9,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.26 : 16,106.36 = 6,635.49 : x
  2. Step 2: Convert to fraction form
    11,671.26/16,106.36 = 6,635.49/x
  3. Step 3: Cross multiply
    11,671.26x = 16,106.36 × 6,635.49
  4. Step 4: Simplify right side
    11,671.26x = 106,873,557.54
  5. Step 5: Solve for x
    x = 106,873,557.54/11,671.26
  6. Step 6: Final answer
    x = 9,156.99

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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.