Home / 12,080.56-16,671.86-6,774.95

Finding the Fourth Proportional to 12,080.56, 16,671.86 and 6,774.95

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Solution

The fourth proportional to 12,080.56, 16,671.86 and 6,774.95 is: 9,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.56 : 16,671.86 = 6,774.95 : x
  2. Step 2: Convert to fraction form
    12,080.56/16,671.86 = 6,774.95/x
  3. Step 3: Cross multiply
    12,080.56x = 16,671.86 × 6,774.95
  4. Step 4: Simplify right side
    12,080.56x = 112,950,984.03
  5. Step 5: Solve for x
    x = 112,950,984.03/12,080.56
  6. Step 6: Final answer
    x = 9,349.82

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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.