Home / 10,679.38-16,023.22-4,437.80

Finding the Fourth Proportional to 10,679.38, 16,023.22 and 4,437.80

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Solution

The fourth proportional to 10,679.38, 16,023.22 and 4,437.80 is: 6,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.38 : 16,023.22 = 4,437.80 : x
  2. Step 2: Convert to fraction form
    10,679.38/16,023.22 = 4,437.80/x
  3. Step 3: Cross multiply
    10,679.38x = 16,023.22 × 4,437.80
  4. Step 4: Simplify right side
    10,679.38x = 71,107,845.72
  5. Step 5: Solve for x
    x = 71,107,845.72/10,679.38
  6. Step 6: Final answer
    x = 6,658.42

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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.