Home / 11,850.09-16,356.39-7,371.18

Finding the Fourth Proportional to 11,850.09, 16,356.39 and 7,371.18

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Solution

The fourth proportional to 11,850.09, 16,356.39 and 7,371.18 is: 10,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.09 : 16,356.39 = 7,371.18 : x
  2. Step 2: Convert to fraction form
    11,850.09/16,356.39 = 7,371.18/x
  3. Step 3: Cross multiply
    11,850.09x = 16,356.39 × 7,371.18
  4. Step 4: Simplify right side
    11,850.09x = 120,565,894.84
  5. Step 5: Solve for x
    x = 120,565,894.84/11,850.09
  6. Step 6: Final answer
    x = 10,174.26

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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.