Home / 10,895.20-16,336.20-4,313.80

Finding the Fourth Proportional to 10,895.20, 16,336.20 and 4,313.80

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Solution

The fourth proportional to 10,895.20, 16,336.20 and 4,313.80 is: 6,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.20 : 16,336.20 = 4,313.80 : x
  2. Step 2: Convert to fraction form
    10,895.20/16,336.20 = 4,313.80/x
  3. Step 3: Cross multiply
    10,895.20x = 16,336.20 × 4,313.80
  4. Step 4: Simplify right side
    10,895.20x = 70,471,099.56
  5. Step 5: Solve for x
    x = 70,471,099.56/10,895.20
  6. Step 6: Final answer
    x = 6,468.09

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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.