Home / 7,850.46-10,822.23-5,485.26

Finding the Fourth Proportional to 7,850.46, 10,822.23 and 5,485.26

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Solution

The fourth proportional to 7,850.46, 10,822.23 and 5,485.26 is: 7,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.46 : 10,822.23 = 5,485.26 : x
  2. Step 2: Convert to fraction form
    7,850.46/10,822.23 = 5,485.26/x
  3. Step 3: Cross multiply
    7,850.46x = 10,822.23 × 5,485.26
  4. Step 4: Simplify right side
    7,850.46x = 59,362,745.33
  5. Step 5: Solve for x
    x = 59,362,745.33/7,850.46
  6. Step 6: Final answer
    x = 7,561.69

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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.