Home / 7,983.18-11,016-4,446.72

Finding the Fourth Proportional to 7,983.18, 11,016 and 4,446.72

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Solution

The fourth proportional to 7,983.18, 11,016 and 4,446.72 is: 6,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.18 : 11,016 = 4,446.72 : x
  2. Step 2: Convert to fraction form
    7,983.18/11,016 = 4,446.72/x
  3. Step 3: Cross multiply
    7,983.18x = 11,016 × 4,446.72
  4. Step 4: Simplify right side
    7,983.18x = 48,985,067.52
  5. Step 5: Solve for x
    x = 48,985,067.52/7,983.18
  6. Step 6: Final answer
    x = 6,136.03

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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.