Home / 9,834.21-13,568.85-5,745.37

Finding the Fourth Proportional to 9,834.21, 13,568.85 and 5,745.37

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Solution

The fourth proportional to 9,834.21, 13,568.85 and 5,745.37 is: 7,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.21 : 13,568.85 = 5,745.37 : x
  2. Step 2: Convert to fraction form
    9,834.21/13,568.85 = 5,745.37/x
  3. Step 3: Cross multiply
    9,834.21x = 13,568.85 × 5,745.37
  4. Step 4: Simplify right side
    9,834.21x = 77,958,063.72
  5. Step 5: Solve for x
    x = 77,958,063.72/9,834.21
  6. Step 6: Final answer
    x = 7,927.23

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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.