Home / 7,186.24-10,778.10-2,505.88

Finding the Fourth Proportional to 7,186.24, 10,778.10 and 2,505.88

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Solution

The fourth proportional to 7,186.24, 10,778.10 and 2,505.88 is: 3,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.24 : 10,778.10 = 2,505.88 : x
  2. Step 2: Convert to fraction form
    7,186.24/10,778.10 = 2,505.88/x
  3. Step 3: Cross multiply
    7,186.24x = 10,778.10 × 2,505.88
  4. Step 4: Simplify right side
    7,186.24x = 27,008,625.23
  5. Step 5: Solve for x
    x = 27,008,625.23/7,186.24
  6. Step 6: Final answer
    x = 3,758.38

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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.