Home / 10,782.52-16,163.58-4,935.64

Finding the Fourth Proportional to 10,782.52, 16,163.58 and 4,935.64

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Solution

The fourth proportional to 10,782.52, 16,163.58 and 4,935.64 is: 7,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.52 : 16,163.58 = 4,935.64 : x
  2. Step 2: Convert to fraction form
    10,782.52/16,163.58 = 4,935.64/x
  3. Step 3: Cross multiply
    10,782.52x = 16,163.58 × 4,935.64
  4. Step 4: Simplify right side
    10,782.52x = 79,777,611.99
  5. Step 5: Solve for x
    x = 79,777,611.99/10,782.52
  6. Step 6: Final answer
    x = 7,398.79

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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.