Home / 10,933.39-16,400.09-4,689.37

Finding the Fourth Proportional to 10,933.39, 16,400.09 and 4,689.37

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Solution

The fourth proportional to 10,933.39, 16,400.09 and 4,689.37 is: 7,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.39 : 16,400.09 = 4,689.37 : x
  2. Step 2: Convert to fraction form
    10,933.39/16,400.09 = 4,689.37/x
  3. Step 3: Cross multiply
    10,933.39x = 16,400.09 × 4,689.37
  4. Step 4: Simplify right side
    10,933.39x = 76,906,090.04
  5. Step 5: Solve for x
    x = 76,906,090.04/10,933.39
  6. Step 6: Final answer
    x = 7,034.06

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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.