Home / 10,825.53-16,236.87-2,928.65

Finding the Fourth Proportional to 10,825.53, 16,236.87 and 2,928.65

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Solution

The fourth proportional to 10,825.53, 16,236.87 and 2,928.65 is: 4,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.53 : 16,236.87 = 2,928.65 : x
  2. Step 2: Convert to fraction form
    10,825.53/16,236.87 = 2,928.65/x
  3. Step 3: Cross multiply
    10,825.53x = 16,236.87 × 2,928.65
  4. Step 4: Simplify right side
    10,825.53x = 47,552,028.14
  5. Step 5: Solve for x
    x = 47,552,028.14/10,825.53
  6. Step 6: Final answer
    x = 4,392.58

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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.