Home / 10,690.87-16,032.19-4,453.82

Finding the Fourth Proportional to 10,690.87, 16,032.19 and 4,453.82

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Solution

The fourth proportional to 10,690.87, 16,032.19 and 4,453.82 is: 6,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.87 : 16,032.19 = 4,453.82 : x
  2. Step 2: Convert to fraction form
    10,690.87/16,032.19 = 4,453.82/x
  3. Step 3: Cross multiply
    10,690.87x = 16,032.19 × 4,453.82
  4. Step 4: Simplify right side
    10,690.87x = 71,404,488.47
  5. Step 5: Solve for x
    x = 71,404,488.47/10,690.87
  6. Step 6: Final answer
    x = 6,679.02

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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.