Home / 8,244.31-12,369.54-3,313.31

Finding the Fourth Proportional to 8,244.31, 12,369.54 and 3,313.31

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Solution

The fourth proportional to 8,244.31, 12,369.54 and 3,313.31 is: 4,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.31 : 12,369.54 = 3,313.31 : x
  2. Step 2: Convert to fraction form
    8,244.31/12,369.54 = 3,313.31/x
  3. Step 3: Cross multiply
    8,244.31x = 12,369.54 × 3,313.31
  4. Step 4: Simplify right side
    8,244.31x = 40,984,043.20
  5. Step 5: Solve for x
    x = 40,984,043.20/8,244.31
  6. Step 6: Final answer
    x = 4,971.19

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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.