Home / 8,404.61-12,598.11-3,137.36

Finding the Fourth Proportional to 8,404.61, 12,598.11 and 3,137.36

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Solution

The fourth proportional to 8,404.61, 12,598.11 and 3,137.36 is: 4,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.61 : 12,598.11 = 3,137.36 : x
  2. Step 2: Convert to fraction form
    8,404.61/12,598.11 = 3,137.36/x
  3. Step 3: Cross multiply
    8,404.61x = 12,598.11 × 3,137.36
  4. Step 4: Simplify right side
    8,404.61x = 39,524,770.01
  5. Step 5: Solve for x
    x = 39,524,770.01/8,404.61
  6. Step 6: Final answer
    x = 4,702.75

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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.