Home / 10,422.03-15,635.58-3,402.36

Finding the Fourth Proportional to 10,422.03, 15,635.58 and 3,402.36

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Solution

The fourth proportional to 10,422.03, 15,635.58 and 3,402.36 is: 5,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.03 : 15,635.58 = 3,402.36 : x
  2. Step 2: Convert to fraction form
    10,422.03/15,635.58 = 3,402.36/x
  3. Step 3: Cross multiply
    10,422.03x = 15,635.58 × 3,402.36
  4. Step 4: Simplify right side
    10,422.03x = 53,197,871.97
  5. Step 5: Solve for x
    x = 53,197,871.97/10,422.03
  6. Step 6: Final answer
    x = 5,104.37

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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.