Home / 11,229.91-15,498.32-6,450.52

Finding the Fourth Proportional to 11,229.91, 15,498.32 and 6,450.52

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Solution

The fourth proportional to 11,229.91, 15,498.32 and 6,450.52 is: 8,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.91 : 15,498.32 = 6,450.52 : x
  2. Step 2: Convert to fraction form
    11,229.91/15,498.32 = 6,450.52/x
  3. Step 3: Cross multiply
    11,229.91x = 15,498.32 × 6,450.52
  4. Step 4: Simplify right side
    11,229.91x = 99,972,223.13
  5. Step 5: Solve for x
    x = 99,972,223.13/11,229.91
  6. Step 6: Final answer
    x = 8,902.32

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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.