Home / 12,235.09-16,883.62-7,198.33

Finding the Fourth Proportional to 12,235.09, 16,883.62 and 7,198.33

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Solution

The fourth proportional to 12,235.09, 16,883.62 and 7,198.33 is: 9,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.09 : 16,883.62 = 7,198.33 : x
  2. Step 2: Convert to fraction form
    12,235.09/16,883.62 = 7,198.33/x
  3. Step 3: Cross multiply
    12,235.09x = 16,883.62 × 7,198.33
  4. Step 4: Simplify right side
    12,235.09x = 121,533,868.35
  5. Step 5: Solve for x
    x = 121,533,868.35/12,235.09
  6. Step 6: Final answer
    x = 9,933.22

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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.