Home / 8,551.67-12,837.24-5,742.59

Finding the Fourth Proportional to 8,551.67, 12,837.24 and 5,742.59

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Solution

The fourth proportional to 8,551.67, 12,837.24 and 5,742.59 is: 8,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.67 : 12,837.24 = 5,742.59 : x
  2. Step 2: Convert to fraction form
    8,551.67/12,837.24 = 5,742.59/x
  3. Step 3: Cross multiply
    8,551.67x = 12,837.24 × 5,742.59
  4. Step 4: Simplify right side
    8,551.67x = 73,718,941.87
  5. Step 5: Solve for x
    x = 73,718,941.87/8,551.67
  6. Step 6: Final answer
    x = 8,620.42

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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.