Home / 11,333.97-15,640.36-6,298.54

Finding the Fourth Proportional to 11,333.97, 15,640.36 and 6,298.54

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Solution

The fourth proportional to 11,333.97, 15,640.36 and 6,298.54 is: 8,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.97 : 15,640.36 = 6,298.54 : x
  2. Step 2: Convert to fraction form
    11,333.97/15,640.36 = 6,298.54/x
  3. Step 3: Cross multiply
    11,333.97x = 15,640.36 × 6,298.54
  4. Step 4: Simplify right side
    11,333.97x = 98,511,433.07
  5. Step 5: Solve for x
    x = 98,511,433.07/11,333.97
  6. Step 6: Final answer
    x = 8,691.70

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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.