Home / 12,081.15-16,671.96-6,775.95

Finding the Fourth Proportional to 12,081.15, 16,671.96 and 6,775.95

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Solution

The fourth proportional to 12,081.15, 16,671.96 and 6,775.95 is: 9,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.15 : 16,671.96 = 6,775.95 : x
  2. Step 2: Convert to fraction form
    12,081.15/16,671.96 = 6,775.95/x
  3. Step 3: Cross multiply
    12,081.15x = 16,671.96 × 6,775.95
  4. Step 4: Simplify right side
    12,081.15x = 112,968,367.36
  5. Step 5: Solve for x
    x = 112,968,367.36/12,081.15
  6. Step 6: Final answer
    x = 9,350.80

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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.