Home / 8,523.09-12,786.56-2,600.51

Finding the Fourth Proportional to 8,523.09, 12,786.56 and 2,600.51

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Solution

The fourth proportional to 8,523.09, 12,786.56 and 2,600.51 is: 3,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.09 : 12,786.56 = 2,600.51 : x
  2. Step 2: Convert to fraction form
    8,523.09/12,786.56 = 2,600.51/x
  3. Step 3: Cross multiply
    8,523.09x = 12,786.56 × 2,600.51
  4. Step 4: Simplify right side
    8,523.09x = 33,251,577.15
  5. Step 5: Solve for x
    x = 33,251,577.15/8,523.09
  6. Step 6: Final answer
    x = 3,901.35

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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.