Home / 10,292.64-15,433.20-3,271.36

Finding the Fourth Proportional to 10,292.64, 15,433.20 and 3,271.36

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Solution

The fourth proportional to 10,292.64, 15,433.20 and 3,271.36 is: 4,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.64 : 15,433.20 = 3,271.36 : x
  2. Step 2: Convert to fraction form
    10,292.64/15,433.20 = 3,271.36/x
  3. Step 3: Cross multiply
    10,292.64x = 15,433.20 × 3,271.36
  4. Step 4: Simplify right side
    10,292.64x = 50,487,553.15
  5. Step 5: Solve for x
    x = 50,487,553.15/10,292.64
  6. Step 6: Final answer
    x = 4,905.21

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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.