Home / 8,138.37-11,232.42-4,601.58

Finding the Fourth Proportional to 8,138.37, 11,232.42 and 4,601.58

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Solution

The fourth proportional to 8,138.37, 11,232.42 and 4,601.58 is: 6,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.37 : 11,232.42 = 4,601.58 : x
  2. Step 2: Convert to fraction form
    8,138.37/11,232.42 = 4,601.58/x
  3. Step 3: Cross multiply
    8,138.37x = 11,232.42 × 4,601.58
  4. Step 4: Simplify right side
    8,138.37x = 51,686,879.22
  5. Step 5: Solve for x
    x = 51,686,879.22/8,138.37
  6. Step 6: Final answer
    x = 6,351.01

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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.