Home / 8,225.54-11,350.23-5,240.15

Finding the Fourth Proportional to 8,225.54, 11,350.23 and 5,240.15

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Solution

The fourth proportional to 8,225.54, 11,350.23 and 5,240.15 is: 7,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.54 : 11,350.23 = 5,240.15 : x
  2. Step 2: Convert to fraction form
    8,225.54/11,350.23 = 5,240.15/x
  3. Step 3: Cross multiply
    8,225.54x = 11,350.23 × 5,240.15
  4. Step 4: Simplify right side
    8,225.54x = 59,476,907.73
  5. Step 5: Solve for x
    x = 59,476,907.73/8,225.54
  6. Step 6: Final answer
    x = 7,230.76

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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.