Home / 11,281.74-16,918.44-3,884.16

Finding the Fourth Proportional to 11,281.74, 16,918.44 and 3,884.16

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Solution

The fourth proportional to 11,281.74, 16,918.44 and 3,884.16 is: 5,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.74 : 16,918.44 = 3,884.16 : x
  2. Step 2: Convert to fraction form
    11,281.74/16,918.44 = 3,884.16/x
  3. Step 3: Cross multiply
    11,281.74x = 16,918.44 × 3,884.16
  4. Step 4: Simplify right side
    11,281.74x = 65,713,927.91
  5. Step 5: Solve for x
    x = 65,713,927.91/11,281.74
  6. Step 6: Final answer
    x = 5,824.80

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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.