Home / 10,906.41-16,358.70-4,330.83

Finding the Fourth Proportional to 10,906.41, 16,358.70 and 4,330.83

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Solution

The fourth proportional to 10,906.41, 16,358.70 and 4,330.83 is: 6,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.41 : 16,358.70 = 4,330.83 : x
  2. Step 2: Convert to fraction form
    10,906.41/16,358.70 = 4,330.83/x
  3. Step 3: Cross multiply
    10,906.41x = 16,358.70 × 4,330.83
  4. Step 4: Simplify right side
    10,906.41x = 70,846,718.05
  5. Step 5: Solve for x
    x = 70,846,718.05/10,906.41
  6. Step 6: Final answer
    x = 6,495.88

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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.