Home / 8,530.11-12,789.67-3,598.43

Finding the Fourth Proportional to 8,530.11, 12,789.67 and 3,598.43

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Solution

The fourth proportional to 8,530.11, 12,789.67 and 3,598.43 is: 5,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.11 : 12,789.67 = 3,598.43 : x
  2. Step 2: Convert to fraction form
    8,530.11/12,789.67 = 3,598.43/x
  3. Step 3: Cross multiply
    8,530.11x = 12,789.67 × 3,598.43
  4. Step 4: Simplify right side
    8,530.11x = 46,022,732.22
  5. Step 5: Solve for x
    x = 46,022,732.22/8,530.11
  6. Step 6: Final answer
    x = 5,395.33

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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.