Home / 8,835.34-12,179.90-6,174.48

Finding the Fourth Proportional to 8,835.34, 12,179.90 and 6,174.48

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Solution

The fourth proportional to 8,835.34, 12,179.90 and 6,174.48 is: 8,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.34 : 12,179.90 = 6,174.48 : x
  2. Step 2: Convert to fraction form
    8,835.34/12,179.90 = 6,174.48/x
  3. Step 3: Cross multiply
    8,835.34x = 12,179.90 × 6,174.48
  4. Step 4: Simplify right side
    8,835.34x = 75,204,548.95
  5. Step 5: Solve for x
    x = 75,204,548.95/8,835.34
  6. Step 6: Final answer
    x = 8,511.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.