Home / 8,784.96-13,174.20-3,588

Finding the Fourth Proportional to 8,784.96, 13,174.20 and 3,588

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Solution

The fourth proportional to 8,784.96, 13,174.20 and 3,588 is: 5,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.96 : 13,174.20 = 3,588 : x
  2. Step 2: Convert to fraction form
    8,784.96/13,174.20 = 3,588/x
  3. Step 3: Cross multiply
    8,784.96x = 13,174.20 × 3,588
  4. Step 4: Simplify right side
    8,784.96x = 47,269,029.60
  5. Step 5: Solve for x
    x = 47,269,029.60/8,784.96
  6. Step 6: Final answer
    x = 5,380.68

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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.