Home / 10,960.20-16,426.80-7,450.20

Finding the Fourth Proportional to 10,960.20, 16,426.80 and 7,450.20

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Solution

The fourth proportional to 10,960.20, 16,426.80 and 7,450.20 is: 11,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.20 : 16,426.80 = 7,450.20 : x
  2. Step 2: Convert to fraction form
    10,960.20/16,426.80 = 7,450.20/x
  3. Step 3: Cross multiply
    10,960.20x = 16,426.80 × 7,450.20
  4. Step 4: Simplify right side
    10,960.20x = 122,382,945.36
  5. Step 5: Solve for x
    x = 122,382,945.36/10,960.20
  6. Step 6: Final answer
    x = 11,166.12

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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.