Home / 7,952.38-11,927.66-2,109.44

Finding the Fourth Proportional to 7,952.38, 11,927.66 and 2,109.44

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Solution

The fourth proportional to 7,952.38, 11,927.66 and 2,109.44 is: 3,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.38 : 11,927.66 = 2,109.44 : x
  2. Step 2: Convert to fraction form
    7,952.38/11,927.66 = 2,109.44/x
  3. Step 3: Cross multiply
    7,952.38x = 11,927.66 × 2,109.44
  4. Step 4: Simplify right side
    7,952.38x = 25,160,702.38
  5. Step 5: Solve for x
    x = 25,160,702.38/7,952.38
  6. Step 6: Final answer
    x = 3,163.92

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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.