Home / 9,719.15-13,408.21-5,942.48

Finding the Fourth Proportional to 9,719.15, 13,408.21 and 5,942.48

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Solution

The fourth proportional to 9,719.15, 13,408.21 and 5,942.48 is: 8,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.15 : 13,408.21 = 5,942.48 : x
  2. Step 2: Convert to fraction form
    9,719.15/13,408.21 = 5,942.48/x
  3. Step 3: Cross multiply
    9,719.15x = 13,408.21 × 5,942.48
  4. Step 4: Simplify right side
    9,719.15x = 79,677,926.72
  5. Step 5: Solve for x
    x = 79,677,926.72/9,719.15
  6. Step 6: Final answer
    x = 8,198.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.