Home / 10,398.38-15,596.42-2,607.19

Finding the Fourth Proportional to 10,398.38, 15,596.42 and 2,607.19

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Solution

The fourth proportional to 10,398.38, 15,596.42 and 2,607.19 is: 3,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.38 : 15,596.42 = 2,607.19 : x
  2. Step 2: Convert to fraction form
    10,398.38/15,596.42 = 2,607.19/x
  3. Step 3: Cross multiply
    10,398.38x = 15,596.42 × 2,607.19
  4. Step 4: Simplify right side
    10,398.38x = 40,662,778.23
  5. Step 5: Solve for x
    x = 40,662,778.23/10,398.38
  6. Step 6: Final answer
    x = 3,910.49

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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.