Home / 12,294.12-18,448.38-4,503.48

Finding the Fourth Proportional to 12,294.12, 18,448.38 and 4,503.48

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Solution

The fourth proportional to 12,294.12, 18,448.38 and 4,503.48 is: 6,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.12 : 18,448.38 = 4,503.48 : x
  2. Step 2: Convert to fraction form
    12,294.12/18,448.38 = 4,503.48/x
  3. Step 3: Cross multiply
    12,294.12x = 18,448.38 × 4,503.48
  4. Step 4: Simplify right side
    12,294.12x = 83,081,910.36
  5. Step 5: Solve for x
    x = 83,081,910.36/12,294.12
  6. Step 6: Final answer
    x = 6,757.86

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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.