Home / 11,157.63-16,731.58-3,760.71

Finding the Fourth Proportional to 11,157.63, 16,731.58 and 3,760.71

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Solution

The fourth proportional to 11,157.63, 16,731.58 and 3,760.71 is: 5,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.63 : 16,731.58 = 3,760.71 : x
  2. Step 2: Convert to fraction form
    11,157.63/16,731.58 = 3,760.71/x
  3. Step 3: Cross multiply
    11,157.63x = 16,731.58 × 3,760.71
  4. Step 4: Simplify right side
    11,157.63x = 62,922,620.22
  5. Step 5: Solve for x
    x = 62,922,620.22/11,157.63
  6. Step 6: Final answer
    x = 5,639.43

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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.