Home / 12,141.29-16,755.51-6,836.11

Finding the Fourth Proportional to 12,141.29, 16,755.51 and 6,836.11

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Solution

The fourth proportional to 12,141.29, 16,755.51 and 6,836.11 is: 9,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.29 : 16,755.51 = 6,836.11 : x
  2. Step 2: Convert to fraction form
    12,141.29/16,755.51 = 6,836.11/x
  3. Step 3: Cross multiply
    12,141.29x = 16,755.51 × 6,836.11
  4. Step 4: Simplify right side
    12,141.29x = 114,542,493.21
  5. Step 5: Solve for x
    x = 114,542,493.21/12,141.29
  6. Step 6: Final answer
    x = 9,434.13

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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.