Home / 8,249.42-12,357.62-4,960.70

Finding the Fourth Proportional to 8,249.42, 12,357.62 and 4,960.70

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Solution

The fourth proportional to 8,249.42, 12,357.62 and 4,960.70 is: 7,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.42 : 12,357.62 = 4,960.70 : x
  2. Step 2: Convert to fraction form
    8,249.42/12,357.62 = 4,960.70/x
  3. Step 3: Cross multiply
    8,249.42x = 12,357.62 × 4,960.70
  4. Step 4: Simplify right side
    8,249.42x = 61,302,445.53
  5. Step 5: Solve for x
    x = 61,302,445.53/8,249.42
  6. Step 6: Final answer
    x = 7,431.12

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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.