Home / 8,119.07-11,201.73-4,581.60

Finding the Fourth Proportional to 8,119.07, 11,201.73 and 4,581.60

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Solution

The fourth proportional to 8,119.07, 11,201.73 and 4,581.60 is: 6,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.07 : 11,201.73 = 4,581.60 : x
  2. Step 2: Convert to fraction form
    8,119.07/11,201.73 = 4,581.60/x
  3. Step 3: Cross multiply
    8,119.07x = 11,201.73 × 4,581.60
  4. Step 4: Simplify right side
    8,119.07x = 51,321,846.17
  5. Step 5: Solve for x
    x = 51,321,846.17/8,119.07
  6. Step 6: Final answer
    x = 6,321.15

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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.