Home / 10,127.25-13,974.12-5,650.65

Finding the Fourth Proportional to 10,127.25, 13,974.12 and 5,650.65

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Solution

The fourth proportional to 10,127.25, 13,974.12 and 5,650.65 is: 7,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.25 : 13,974.12 = 5,650.65 : x
  2. Step 2: Convert to fraction form
    10,127.25/13,974.12 = 5,650.65/x
  3. Step 3: Cross multiply
    10,127.25x = 13,974.12 × 5,650.65
  4. Step 4: Simplify right side
    10,127.25x = 78,962,861.18
  5. Step 5: Solve for x
    x = 78,962,861.18/10,127.25
  6. Step 6: Final answer
    x = 7,797.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.