Home / 11,671.10-16,106.19-6,366.02

Finding the Fourth Proportional to 11,671.10, 16,106.19 and 6,366.02

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Solution

The fourth proportional to 11,671.10, 16,106.19 and 6,366.02 is: 8,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.10 : 16,106.19 = 6,366.02 : x
  2. Step 2: Convert to fraction form
    11,671.10/16,106.19 = 6,366.02/x
  3. Step 3: Cross multiply
    11,671.10x = 16,106.19 × 6,366.02
  4. Step 4: Simplify right side
    11,671.10x = 102,532,327.66
  5. Step 5: Solve for x
    x = 102,532,327.66/11,671.10
  6. Step 6: Final answer
    x = 8,785.15

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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.