Home / 8,150.85-11,232.05-5,786.37

Finding the Fourth Proportional to 8,150.85, 11,232.05 and 5,786.37

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Solution

The fourth proportional to 8,150.85, 11,232.05 and 5,786.37 is: 7,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.85 : 11,232.05 = 5,786.37 : x
  2. Step 2: Convert to fraction form
    8,150.85/11,232.05 = 5,786.37/x
  3. Step 3: Cross multiply
    8,150.85x = 11,232.05 × 5,786.37
  4. Step 4: Simplify right side
    8,150.85x = 64,992,768.23
  5. Step 5: Solve for x
    x = 64,992,768.23/8,150.85
  6. Step 6: Final answer
    x = 7,973.74

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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.