Home / 11,310.38-15,608.33-6,342.38

Finding the Fourth Proportional to 11,310.38, 15,608.33 and 6,342.38

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Solution

The fourth proportional to 11,310.38, 15,608.33 and 6,342.38 is: 8,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.38 : 15,608.33 = 6,342.38 : x
  2. Step 2: Convert to fraction form
    11,310.38/15,608.33 = 6,342.38/x
  3. Step 3: Cross multiply
    11,310.38x = 15,608.33 × 6,342.38
  4. Step 4: Simplify right side
    11,310.38x = 98,993,960.03
  5. Step 5: Solve for x
    x = 98,993,960.03/11,310.38
  6. Step 6: Final answer
    x = 8,752.49

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1.5x scale

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.