Home / 11,010.30-15,190.53-6,229.58

Finding the Fourth Proportional to 11,010.30, 15,190.53 and 6,229.58

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Solution

The fourth proportional to 11,010.30, 15,190.53 and 6,229.58 is: 8,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.30 : 15,190.53 = 6,229.58 : x
  2. Step 2: Convert to fraction form
    11,010.30/15,190.53 = 6,229.58/x
  3. Step 3: Cross multiply
    11,010.30x = 15,190.53 × 6,229.58
  4. Step 4: Simplify right side
    11,010.30x = 94,630,545.92
  5. Step 5: Solve for x
    x = 94,630,545.92/11,010.30
  6. Step 6: Final answer
    x = 8,594.73

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Half scale
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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.