Home / 10,935.22-16,405.43-3,539.68

Finding the Fourth Proportional to 10,935.22, 16,405.43 and 3,539.68

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Solution

The fourth proportional to 10,935.22, 16,405.43 and 3,539.68 is: 5,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.22 : 16,405.43 = 3,539.68 : x
  2. Step 2: Convert to fraction form
    10,935.22/16,405.43 = 3,539.68/x
  3. Step 3: Cross multiply
    10,935.22x = 16,405.43 × 3,539.68
  4. Step 4: Simplify right side
    10,935.22x = 58,069,896.26
  5. Step 5: Solve for x
    x = 58,069,896.26/10,935.22
  6. Step 6: Final answer
    x = 5,310.36

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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.