Home / 6,942.45-10,416.51-3,658.44

Finding the Fourth Proportional to 6,942.45, 10,416.51 and 3,658.44

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Solution

The fourth proportional to 6,942.45, 10,416.51 and 3,658.44 is: 5,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.45 : 10,416.51 = 3,658.44 : x
  2. Step 2: Convert to fraction form
    6,942.45/10,416.51 = 3,658.44/x
  3. Step 3: Cross multiply
    6,942.45x = 10,416.51 × 3,658.44
  4. Step 4: Simplify right side
    6,942.45x = 38,108,176.84
  5. Step 5: Solve for x
    x = 38,108,176.84/6,942.45
  6. Step 6: Final answer
    x = 5,489.15

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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.