Home / 11,028.61-16,544.74-5,111.41

Finding the Fourth Proportional to 11,028.61, 16,544.74 and 5,111.41

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Solution

The fourth proportional to 11,028.61, 16,544.74 and 5,111.41 is: 7,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.61 : 16,544.74 = 5,111.41 : x
  2. Step 2: Convert to fraction form
    11,028.61/16,544.74 = 5,111.41/x
  3. Step 3: Cross multiply
    11,028.61x = 16,544.74 × 5,111.41
  4. Step 4: Simplify right side
    11,028.61x = 84,566,949.48
  5. Step 5: Solve for x
    x = 84,566,949.48/11,028.61
  6. Step 6: Final answer
    x = 7,667.96

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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.