Home / 8,205.84-11,325.33-5,222.97

Finding the Fourth Proportional to 8,205.84, 11,325.33 and 5,222.97

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Solution

The fourth proportional to 8,205.84, 11,325.33 and 5,222.97 is: 7,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.84 : 11,325.33 = 5,222.97 : x
  2. Step 2: Convert to fraction form
    8,205.84/11,325.33 = 5,222.97/x
  3. Step 3: Cross multiply
    8,205.84x = 11,325.33 × 5,222.97
  4. Step 4: Simplify right side
    8,205.84x = 59,151,858.83
  5. Step 5: Solve for x
    x = 59,151,858.83/8,205.84
  6. Step 6: Final answer
    x = 7,208.51

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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.