Home / 10,311.33-15,468.63-4,071.36

Finding the Fourth Proportional to 10,311.33, 15,468.63 and 4,071.36

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Solution

The fourth proportional to 10,311.33, 15,468.63 and 4,071.36 is: 6,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.33 : 15,468.63 = 4,071.36 : x
  2. Step 2: Convert to fraction form
    10,311.33/15,468.63 = 4,071.36/x
  3. Step 3: Cross multiply
    10,311.33x = 15,468.63 × 4,071.36
  4. Step 4: Simplify right side
    10,311.33x = 62,978,361.44
  5. Step 5: Solve for x
    x = 62,978,361.44/10,311.33
  6. Step 6: Final answer
    x = 6,107.69

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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.