Home / 11,376.57-17,083.38-7,021.71

Finding the Fourth Proportional to 11,376.57, 17,083.38 and 7,021.71

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Solution

The fourth proportional to 11,376.57, 17,083.38 and 7,021.71 is: 10,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.57 : 17,083.38 = 7,021.71 : x
  2. Step 2: Convert to fraction form
    11,376.57/17,083.38 = 7,021.71/x
  3. Step 3: Cross multiply
    11,376.57x = 17,083.38 × 7,021.71
  4. Step 4: Simplify right side
    11,376.57x = 119,954,540.18
  5. Step 5: Solve for x
    x = 119,954,540.18/11,376.57
  6. Step 6: Final answer
    x = 10,544.00

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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.