Home / 8,404.49-12,608.57-2,560.95

Finding the Fourth Proportional to 8,404.49, 12,608.57 and 2,560.95

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Solution

The fourth proportional to 8,404.49, 12,608.57 and 2,560.95 is: 3,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.49 : 12,608.57 = 2,560.95 : x
  2. Step 2: Convert to fraction form
    8,404.49/12,608.57 = 2,560.95/x
  3. Step 3: Cross multiply
    8,404.49x = 12,608.57 × 2,560.95
  4. Step 4: Simplify right side
    8,404.49x = 32,289,904.54
  5. Step 5: Solve for x
    x = 32,289,904.54/8,404.49
  6. Step 6: Final answer
    x = 3,841.98

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1.5x scale

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.