Home / 10,780.75-16,165.66-4,932.35

Finding the Fourth Proportional to 10,780.75, 16,165.66 and 4,932.35

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Solution

The fourth proportional to 10,780.75, 16,165.66 and 4,932.35 is: 7,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.75 : 16,165.66 = 4,932.35 : x
  2. Step 2: Convert to fraction form
    10,780.75/16,165.66 = 4,932.35/x
  3. Step 3: Cross multiply
    10,780.75x = 16,165.66 × 4,932.35
  4. Step 4: Simplify right side
    10,780.75x = 79,734,736.09
  5. Step 5: Solve for x
    x = 79,734,736.09/10,780.75
  6. Step 6: Final answer
    x = 7,396.03

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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.