Home / 12,101.94-16,700.40-6,796.98

Finding the Fourth Proportional to 12,101.94, 16,700.40 and 6,796.98

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Solution

The fourth proportional to 12,101.94, 16,700.40 and 6,796.98 is: 9,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.94 : 16,700.40 = 6,796.98 : x
  2. Step 2: Convert to fraction form
    12,101.94/16,700.40 = 6,796.98/x
  3. Step 3: Cross multiply
    12,101.94x = 16,700.40 × 6,796.98
  4. Step 4: Simplify right side
    12,101.94x = 113,512,284.79
  5. Step 5: Solve for x
    x = 113,512,284.79/12,101.94
  6. Step 6: Final answer
    x = 9,379.68

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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.