Home / 10,961.10-16,441.65-10,313.10

Finding the Fourth Proportional to 10,961.10, 16,441.65 and 10,313.10

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Solution

The fourth proportional to 10,961.10, 16,441.65 and 10,313.10 is: 15,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.10 : 16,441.65 = 10,313.10 : x
  2. Step 2: Convert to fraction form
    10,961.10/16,441.65 = 10,313.10/x
  3. Step 3: Cross multiply
    10,961.10x = 16,441.65 × 10,313.10
  4. Step 4: Simplify right side
    10,961.10x = 169,564,380.62
  5. Step 5: Solve for x
    x = 169,564,380.62/10,961.10
  6. Step 6: Final answer
    x = 15,469.65

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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.