Home / 10,935.20-16,392.24-3,534.64

Finding the Fourth Proportional to 10,935.20, 16,392.24 and 3,534.64

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Solution

The fourth proportional to 10,935.20, 16,392.24 and 3,534.64 is: 5,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.20 : 16,392.24 = 3,534.64 : x
  2. Step 2: Convert to fraction form
    10,935.20/16,392.24 = 3,534.64/x
  3. Step 3: Cross multiply
    10,935.20x = 16,392.24 × 3,534.64
  4. Step 4: Simplify right side
    10,935.20x = 57,940,626.21
  5. Step 5: Solve for x
    x = 57,940,626.21/10,935.20
  6. Step 6: Final answer
    x = 5,298.54

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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.