Home / 10,906.56-16,360.28-3,009.72

Finding the Fourth Proportional to 10,906.56, 16,360.28 and 3,009.72

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Solution

The fourth proportional to 10,906.56, 16,360.28 and 3,009.72 is: 4,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.56 : 16,360.28 = 3,009.72 : x
  2. Step 2: Convert to fraction form
    10,906.56/16,360.28 = 3,009.72/x
  3. Step 3: Cross multiply
    10,906.56x = 16,360.28 × 3,009.72
  4. Step 4: Simplify right side
    10,906.56x = 49,239,861.92
  5. Step 5: Solve for x
    x = 49,239,861.92/10,906.56
  6. Step 6: Final answer
    x = 4,514.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.