Home / 10,244.40-15,370.44-5,310.96

Finding the Fourth Proportional to 10,244.40, 15,370.44 and 5,310.96

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Solution

The fourth proportional to 10,244.40, 15,370.44 and 5,310.96 is: 7,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.40 : 15,370.44 = 5,310.96 : x
  2. Step 2: Convert to fraction form
    10,244.40/15,370.44 = 5,310.96/x
  3. Step 3: Cross multiply
    10,244.40x = 15,370.44 × 5,310.96
  4. Step 4: Simplify right side
    10,244.40x = 81,631,792.02
  5. Step 5: Solve for x
    x = 81,631,792.02/10,244.40
  6. Step 6: Final answer
    x = 7,968.43

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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.