Home / 11,133.81-16,701.99-3,738.78

Finding the Fourth Proportional to 11,133.81, 16,701.99 and 3,738.78

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Solution

The fourth proportional to 11,133.81, 16,701.99 and 3,738.78 is: 5,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.81 : 16,701.99 = 3,738.78 : x
  2. Step 2: Convert to fraction form
    11,133.81/16,701.99 = 3,738.78/x
  3. Step 3: Cross multiply
    11,133.81x = 16,701.99 × 3,738.78
  4. Step 4: Simplify right side
    11,133.81x = 62,445,066.17
  5. Step 5: Solve for x
    x = 62,445,066.17/11,133.81
  6. Step 6: Final answer
    x = 5,608.60

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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.