Home / 11,578.29-17,282.73-9,945.33

Finding the Fourth Proportional to 11,578.29, 17,282.73 and 9,945.33

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Solution

The fourth proportional to 11,578.29, 17,282.73 and 9,945.33 is: 14,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.29 : 17,282.73 = 9,945.33 : x
  2. Step 2: Convert to fraction form
    11,578.29/17,282.73 = 9,945.33/x
  3. Step 3: Cross multiply
    11,578.29x = 17,282.73 × 9,945.33
  4. Step 4: Simplify right side
    11,578.29x = 171,882,453.15
  5. Step 5: Solve for x
    x = 171,882,453.15/11,578.29
  6. Step 6: Final answer
    x = 14,845.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.