Home / 12,448.13-17,180.25-8,198.52

Finding the Fourth Proportional to 12,448.13, 17,180.25 and 8,198.52

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Solution

The fourth proportional to 12,448.13, 17,180.25 and 8,198.52 is: 11,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.13 : 17,180.25 = 8,198.52 : x
  2. Step 2: Convert to fraction form
    12,448.13/17,180.25 = 8,198.52/x
  3. Step 3: Cross multiply
    12,448.13x = 17,180.25 × 8,198.52
  4. Step 4: Simplify right side
    12,448.13x = 140,852,574.18
  5. Step 5: Solve for x
    x = 140,852,574.18/12,448.13
  6. Step 6: Final answer
    x = 11,315.16

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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.