Home / 8,448.81-12,673.97-2,208.72

Finding the Fourth Proportional to 8,448.81, 12,673.97 and 2,208.72

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Solution

The fourth proportional to 8,448.81, 12,673.97 and 2,208.72 is: 3,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.81 : 12,673.97 = 2,208.72 : x
  2. Step 2: Convert to fraction form
    8,448.81/12,673.97 = 2,208.72/x
  3. Step 3: Cross multiply
    8,448.81x = 12,673.97 × 2,208.72
  4. Step 4: Simplify right side
    8,448.81x = 27,993,224.49
  5. Step 5: Solve for x
    x = 27,993,224.49/8,448.81
  6. Step 6: Final answer
    x = 3,313.28

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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.