Home / 10,933.79-16,400.88-3,538.49

Finding the Fourth Proportional to 10,933.79, 16,400.88 and 3,538.49

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Solution

The fourth proportional to 10,933.79, 16,400.88 and 3,538.49 is: 5,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.79 : 16,400.88 = 3,538.49 : x
  2. Step 2: Convert to fraction form
    10,933.79/16,400.88 = 3,538.49/x
  3. Step 3: Cross multiply
    10,933.79x = 16,400.88 × 3,538.49
  4. Step 4: Simplify right side
    10,933.79x = 58,034,267.87
  5. Step 5: Solve for x
    x = 58,034,267.87/10,933.79
  6. Step 6: Final answer
    x = 5,307.79

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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.