Home / 12,102.41-16,700.39-6,796.20

Finding the Fourth Proportional to 12,102.41, 16,700.39 and 6,796.20

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Solution

The fourth proportional to 12,102.41, 16,700.39 and 6,796.20 is: 9,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.41 : 16,700.39 = 6,796.20 : x
  2. Step 2: Convert to fraction form
    12,102.41/16,700.39 = 6,796.20/x
  3. Step 3: Cross multiply
    12,102.41x = 16,700.39 × 6,796.20
  4. Step 4: Simplify right side
    12,102.41x = 113,499,282.88
  5. Step 5: Solve for x
    x = 113,499,282.88/12,102.41
  6. Step 6: Final answer
    x = 9,378.24

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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.