Home / 11,227.40-16,835.12-3,434.12

Finding the Fourth Proportional to 11,227.40, 16,835.12 and 3,434.12

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Solution

The fourth proportional to 11,227.40, 16,835.12 and 3,434.12 is: 5,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.40 : 16,835.12 = 3,434.12 : x
  2. Step 2: Convert to fraction form
    11,227.40/16,835.12 = 3,434.12/x
  3. Step 3: Cross multiply
    11,227.40x = 16,835.12 × 3,434.12
  4. Step 4: Simplify right side
    11,227.40x = 57,813,822.29
  5. Step 5: Solve for x
    x = 57,813,822.29/11,227.40
  6. Step 6: Final answer
    x = 5,149.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.