Home / 10,418.61-15,629.54-3,396.99

Finding the Fourth Proportional to 10,418.61, 15,629.54 and 3,396.99

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Solution

The fourth proportional to 10,418.61, 15,629.54 and 3,396.99 is: 5,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.61 : 15,629.54 = 3,396.99 : x
  2. Step 2: Convert to fraction form
    10,418.61/15,629.54 = 3,396.99/x
  3. Step 3: Cross multiply
    10,418.61x = 15,629.54 × 3,396.99
  4. Step 4: Simplify right side
    10,418.61x = 53,093,363.90
  5. Step 5: Solve for x
    x = 53,093,363.90/10,418.61
  6. Step 6: Final answer
    x = 5,096.01

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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.