Home / 7,186.36-10,777.38-2,255.68

Finding the Fourth Proportional to 7,186.36, 10,777.38 and 2,255.68

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Solution

The fourth proportional to 7,186.36, 10,777.38 and 2,255.68 is: 3,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.36 : 10,777.38 = 2,255.68 : x
  2. Step 2: Convert to fraction form
    7,186.36/10,777.38 = 2,255.68/x
  3. Step 3: Cross multiply
    7,186.36x = 10,777.38 × 2,255.68
  4. Step 4: Simplify right side
    7,186.36x = 24,310,320.52
  5. Step 5: Solve for x
    x = 24,310,320.52/7,186.36
  6. Step 6: Final answer
    x = 3,382.84

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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.