Home / 8,143.96-11,236.96-4,608.04

Finding the Fourth Proportional to 8,143.96, 11,236.96 and 4,608.04

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Solution

The fourth proportional to 8,143.96, 11,236.96 and 4,608.04 is: 6,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.96 : 11,236.96 = 4,608.04 : x
  2. Step 2: Convert to fraction form
    8,143.96/11,236.96 = 4,608.04/x
  3. Step 3: Cross multiply
    8,143.96x = 11,236.96 × 4,608.04
  4. Step 4: Simplify right side
    8,143.96x = 51,780,361.16
  5. Step 5: Solve for x
    x = 51,780,361.16/8,143.96
  6. Step 6: Final answer
    x = 6,358.13

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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.