Home / 11,138.77-16,696.63-3,740.73

Finding the Fourth Proportional to 11,138.77, 16,696.63 and 3,740.73

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Solution

The fourth proportional to 11,138.77, 16,696.63 and 3,740.73 is: 5,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.77 : 16,696.63 = 3,740.73 : x
  2. Step 2: Convert to fraction form
    11,138.77/16,696.63 = 3,740.73/x
  3. Step 3: Cross multiply
    11,138.77x = 16,696.63 × 3,740.73
  4. Step 4: Simplify right side
    11,138.77x = 62,457,620.72
  5. Step 5: Solve for x
    x = 62,457,620.72/11,138.77
  6. Step 6: Final answer
    x = 5,607.23

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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.