Home / 10,724.64-16,082.78-3,607.44

Finding the Fourth Proportional to 10,724.64, 16,082.78 and 3,607.44

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Solution

The fourth proportional to 10,724.64, 16,082.78 and 3,607.44 is: 5,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.64 : 16,082.78 = 3,607.44 : x
  2. Step 2: Convert to fraction form
    10,724.64/16,082.78 = 3,607.44/x
  3. Step 3: Cross multiply
    10,724.64x = 16,082.78 × 3,607.44
  4. Step 4: Simplify right side
    10,724.64x = 58,017,645.85
  5. Step 5: Solve for x
    x = 58,017,645.85/10,724.64
  6. Step 6: Final answer
    x = 5,409.75

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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.