Home / 8,161.24-12,235.36-3,541

Finding the Fourth Proportional to 8,161.24, 12,235.36 and 3,541

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Solution

The fourth proportional to 8,161.24, 12,235.36 and 3,541 is: 5,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.24 : 12,235.36 = 3,541 : x
  2. Step 2: Convert to fraction form
    8,161.24/12,235.36 = 3,541/x
  3. Step 3: Cross multiply
    8,161.24x = 12,235.36 × 3,541
  4. Step 4: Simplify right side
    8,161.24x = 43,325,409.76
  5. Step 5: Solve for x
    x = 43,325,409.76/8,161.24
  6. Step 6: Final answer
    x = 5,308.68

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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.