Home / 11,416.74-17,127.27-4,491.78

Finding the Fourth Proportional to 11,416.74, 17,127.27 and 4,491.78

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Solution

The fourth proportional to 11,416.74, 17,127.27 and 4,491.78 is: 6,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.74 : 17,127.27 = 4,491.78 : x
  2. Step 2: Convert to fraction form
    11,416.74/17,127.27 = 4,491.78/x
  3. Step 3: Cross multiply
    11,416.74x = 17,127.27 × 4,491.78
  4. Step 4: Simplify right side
    11,416.74x = 76,931,928.84
  5. Step 5: Solve for x
    x = 76,931,928.84/11,416.74
  6. Step 6: Final answer
    x = 6,738.52

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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.