Home / 11,283.96-16,922.64-3,386.12

Finding the Fourth Proportional to 11,283.96, 16,922.64 and 3,386.12

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Solution

The fourth proportional to 11,283.96, 16,922.64 and 3,386.12 is: 5,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.96 : 16,922.64 = 3,386.12 : x
  2. Step 2: Convert to fraction form
    11,283.96/16,922.64 = 3,386.12/x
  3. Step 3: Cross multiply
    11,283.96x = 16,922.64 × 3,386.12
  4. Step 4: Simplify right side
    11,283.96x = 57,302,089.76
  5. Step 5: Solve for x
    x = 57,302,089.76/11,283.96
  6. Step 6: Final answer
    x = 5,078.19

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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.