Home / 11,333.76-15,640.56-6,297.96

Finding the Fourth Proportional to 11,333.76, 15,640.56 and 6,297.96

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Solution

The fourth proportional to 11,333.76, 15,640.56 and 6,297.96 is: 8,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.76 : 15,640.56 = 6,297.96 : x
  2. Step 2: Convert to fraction form
    11,333.76/15,640.56 = 6,297.96/x
  3. Step 3: Cross multiply
    11,333.76x = 15,640.56 × 6,297.96
  4. Step 4: Simplify right side
    11,333.76x = 98,503,621.26
  5. Step 5: Solve for x
    x = 98,503,621.26/11,333.76
  6. Step 6: Final answer
    x = 8,691.17

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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.