Home / 8,617.23-11,896.20-5,081.58

Finding the Fourth Proportional to 8,617.23, 11,896.20 and 5,081.58

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Solution

The fourth proportional to 8,617.23, 11,896.20 and 5,081.58 is: 7,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.23 : 11,896.20 = 5,081.58 : x
  2. Step 2: Convert to fraction form
    8,617.23/11,896.20 = 5,081.58/x
  3. Step 3: Cross multiply
    8,617.23x = 11,896.20 × 5,081.58
  4. Step 4: Simplify right side
    8,617.23x = 60,451,492.00
  5. Step 5: Solve for x
    x = 60,451,492.00/8,617.23
  6. Step 6: Final answer
    x = 7,015.19

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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.