Home / 7,747.75-11,623.45-2,553.63

Finding the Fourth Proportional to 7,747.75, 11,623.45 and 2,553.63

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Solution

The fourth proportional to 7,747.75, 11,623.45 and 2,553.63 is: 3,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.75 : 11,623.45 = 2,553.63 : x
  2. Step 2: Convert to fraction form
    7,747.75/11,623.45 = 2,553.63/x
  3. Step 3: Cross multiply
    7,747.75x = 11,623.45 × 2,553.63
  4. Step 4: Simplify right side
    7,747.75x = 29,681,926.12
  5. Step 5: Solve for x
    x = 29,681,926.12/7,747.75
  6. Step 6: Final answer
    x = 3,831.04

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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.