Home / 11,671.85-16,107.35-6,366.84

Finding the Fourth Proportional to 11,671.85, 16,107.35 and 6,366.84

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Solution

The fourth proportional to 11,671.85, 16,107.35 and 6,366.84 is: 8,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.85 : 16,107.35 = 6,366.84 : x
  2. Step 2: Convert to fraction form
    11,671.85/16,107.35 = 6,366.84/x
  3. Step 3: Cross multiply
    11,671.85x = 16,107.35 × 6,366.84
  4. Step 4: Simplify right side
    11,671.85x = 102,552,888.44
  5. Step 5: Solve for x
    x = 102,552,888.44/11,671.85
  6. Step 6: Final answer
    x = 8,786.35

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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.