Home / 11,977.14-17,953.43-5,407.94

Finding the Fourth Proportional to 11,977.14, 17,953.43 and 5,407.94

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Solution

The fourth proportional to 11,977.14, 17,953.43 and 5,407.94 is: 8,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.14 : 17,953.43 = 5,407.94 : x
  2. Step 2: Convert to fraction form
    11,977.14/17,953.43 = 5,407.94/x
  3. Step 3: Cross multiply
    11,977.14x = 17,953.43 × 5,407.94
  4. Step 4: Simplify right side
    11,977.14x = 97,091,072.23
  5. Step 5: Solve for x
    x = 97,091,072.23/11,977.14
  6. Step 6: Final answer
    x = 8,106.37

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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.