Home / 10,424.26-15,632.44-3,402.60

Finding the Fourth Proportional to 10,424.26, 15,632.44 and 3,402.60

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Solution

The fourth proportional to 10,424.26, 15,632.44 and 3,402.60 is: 5,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.26 : 15,632.44 = 3,402.60 : x
  2. Step 2: Convert to fraction form
    10,424.26/15,632.44 = 3,402.60/x
  3. Step 3: Cross multiply
    10,424.26x = 15,632.44 × 3,402.60
  4. Step 4: Simplify right side
    10,424.26x = 53,190,940.34
  5. Step 5: Solve for x
    x = 53,190,940.34/10,424.26
  6. Step 6: Final answer
    x = 5,102.61

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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.