Home / 8,708.45-13,062.56-2,134.69

Finding the Fourth Proportional to 8,708.45, 13,062.56 and 2,134.69

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Solution

The fourth proportional to 8,708.45, 13,062.56 and 2,134.69 is: 3,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.45 : 13,062.56 = 2,134.69 : x
  2. Step 2: Convert to fraction form
    8,708.45/13,062.56 = 2,134.69/x
  3. Step 3: Cross multiply
    8,708.45x = 13,062.56 × 2,134.69
  4. Step 4: Simplify right side
    8,708.45x = 27,884,516.21
  5. Step 5: Solve for x
    x = 27,884,516.21/8,708.45
  6. Step 6: Final answer
    x = 3,202.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.