Home / 10,190.84-15,285.24-2,796.05

Finding the Fourth Proportional to 10,190.84, 15,285.24 and 2,796.05

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Solution

The fourth proportional to 10,190.84, 15,285.24 and 2,796.05 is: 4,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.84 : 15,285.24 = 2,796.05 : x
  2. Step 2: Convert to fraction form
    10,190.84/15,285.24 = 2,796.05/x
  3. Step 3: Cross multiply
    10,190.84x = 15,285.24 × 2,796.05
  4. Step 4: Simplify right side
    10,190.84x = 42,738,218.88
  5. Step 5: Solve for x
    x = 42,738,218.88/10,190.84
  6. Step 6: Final answer
    x = 4,193.79

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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.