Home / 11,977.03-17,973.80-4,185.84

Finding the Fourth Proportional to 11,977.03, 17,973.80 and 4,185.84

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Solution

The fourth proportional to 11,977.03, 17,973.80 and 4,185.84 is: 6,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.03 : 17,973.80 = 4,185.84 : x
  2. Step 2: Convert to fraction form
    11,977.03/17,973.80 = 4,185.84/x
  3. Step 3: Cross multiply
    11,977.03x = 17,973.80 × 4,185.84
  4. Step 4: Simplify right side
    11,977.03x = 75,235,513.16
  5. Step 5: Solve for x
    x = 75,235,513.16/11,977.03
  6. Step 6: Final answer
    x = 6,281.65

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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.