Home / 7,468.38-10,306.62-4,111.43

Finding the Fourth Proportional to 7,468.38, 10,306.62 and 4,111.43

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Solution

The fourth proportional to 7,468.38, 10,306.62 and 4,111.43 is: 5,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.38 : 10,306.62 = 4,111.43 : x
  2. Step 2: Convert to fraction form
    7,468.38/10,306.62 = 4,111.43/x
  3. Step 3: Cross multiply
    7,468.38x = 10,306.62 × 4,111.43
  4. Step 4: Simplify right side
    7,468.38x = 42,374,895.13
  5. Step 5: Solve for x
    x = 42,374,895.13/7,468.38
  6. Step 6: Final answer
    x = 5,673.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.