Home / 10,464.78-15,695.46-3,442.62

Finding the Fourth Proportional to 10,464.78, 15,695.46 and 3,442.62

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Solution

The fourth proportional to 10,464.78, 15,695.46 and 3,442.62 is: 5,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.78 : 15,695.46 = 3,442.62 : x
  2. Step 2: Convert to fraction form
    10,464.78/15,695.46 = 3,442.62/x
  3. Step 3: Cross multiply
    10,464.78x = 15,695.46 × 3,442.62
  4. Step 4: Simplify right side
    10,464.78x = 54,033,504.51
  5. Step 5: Solve for x
    x = 54,033,504.51/10,464.78
  6. Step 6: Final answer
    x = 5,163.37

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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.