Home / 12,101.40-16,701.39-6,796.71

Finding the Fourth Proportional to 12,101.40, 16,701.39 and 6,796.71

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Solution

The fourth proportional to 12,101.40, 16,701.39 and 6,796.71 is: 9,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.40 : 16,701.39 = 6,796.71 : x
  2. Step 2: Convert to fraction form
    12,101.40/16,701.39 = 6,796.71/x
  3. Step 3: Cross multiply
    12,101.40x = 16,701.39 × 6,796.71
  4. Step 4: Simplify right side
    12,101.40x = 113,514,504.43
  5. Step 5: Solve for x
    x = 113,514,504.43/12,101.40
  6. Step 6: Final answer
    x = 9,380.28

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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.