Home / 11,333.90-15,640.47-6,297.99

Finding the Fourth Proportional to 11,333.90, 15,640.47 and 6,297.99

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Solution

The fourth proportional to 11,333.90, 15,640.47 and 6,297.99 is: 8,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.90 : 15,640.47 = 6,297.99 : x
  2. Step 2: Convert to fraction form
    11,333.90/15,640.47 = 6,297.99/x
  3. Step 3: Cross multiply
    11,333.90x = 15,640.47 × 6,297.99
  4. Step 4: Simplify right side
    11,333.90x = 98,503,523.66
  5. Step 5: Solve for x
    x = 98,503,523.66/11,333.90
  6. Step 6: Final answer
    x = 8,691.06

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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.