Home / 8,372.08-12,555.69-2,530.36

Finding the Fourth Proportional to 8,372.08, 12,555.69 and 2,530.36

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Solution

The fourth proportional to 8,372.08, 12,555.69 and 2,530.36 is: 3,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.08 : 12,555.69 = 2,530.36 : x
  2. Step 2: Convert to fraction form
    8,372.08/12,555.69 = 2,530.36/x
  3. Step 3: Cross multiply
    8,372.08x = 12,555.69 × 2,530.36
  4. Step 4: Simplify right side
    8,372.08x = 31,770,415.75
  5. Step 5: Solve for x
    x = 31,770,415.75/8,372.08
  6. Step 6: Final answer
    x = 3,794.81

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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.