Home / 10,422.21-15,635.09-3,848.43

Finding the Fourth Proportional to 10,422.21, 15,635.09 and 3,848.43

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Solution

The fourth proportional to 10,422.21, 15,635.09 and 3,848.43 is: 5,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.21 : 15,635.09 = 3,848.43 : x
  2. Step 2: Convert to fraction form
    10,422.21/15,635.09 = 3,848.43/x
  3. Step 3: Cross multiply
    10,422.21x = 15,635.09 × 3,848.43
  4. Step 4: Simplify right side
    10,422.21x = 60,170,549.41
  5. Step 5: Solve for x
    x = 60,170,549.41/10,422.21
  6. Step 6: Final answer
    x = 5,773.30

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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.