Home / 6,730.35-10,140.39-6,198.99

Finding the Fourth Proportional to 6,730.35, 10,140.39 and 6,198.99

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Solution

The fourth proportional to 6,730.35, 10,140.39 and 6,198.99 is: 9,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.35 : 10,140.39 = 6,198.99 : x
  2. Step 2: Convert to fraction form
    6,730.35/10,140.39 = 6,198.99/x
  3. Step 3: Cross multiply
    6,730.35x = 10,140.39 × 6,198.99
  4. Step 4: Simplify right side
    6,730.35x = 62,860,176.21
  5. Step 5: Solve for x
    x = 62,860,176.21/6,730.35
  6. Step 6: Final answer
    x = 9,339.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.