Home / 8,253.29-12,382.07-3,328.49

Finding the Fourth Proportional to 8,253.29, 12,382.07 and 3,328.49

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Solution

The fourth proportional to 8,253.29, 12,382.07 and 3,328.49 is: 4,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.29 : 12,382.07 = 3,328.49 : x
  2. Step 2: Convert to fraction form
    8,253.29/12,382.07 = 3,328.49/x
  3. Step 3: Cross multiply
    8,253.29x = 12,382.07 × 3,328.49
  4. Step 4: Simplify right side
    8,253.29x = 41,213,610.49
  5. Step 5: Solve for x
    x = 41,213,610.49/8,253.29
  6. Step 6: Final answer
    x = 4,993.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.