Home / 6,109.48-9,168.34-2,986.86

Finding the Fourth Proportional to 6,109.48, 9,168.34 and 2,986.86

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Solution

The fourth proportional to 6,109.48, 9,168.34 and 2,986.86 is: 4,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.48 : 9,168.34 = 2,986.86 : x
  2. Step 2: Convert to fraction form
    6,109.48/9,168.34 = 2,986.86/x
  3. Step 3: Cross multiply
    6,109.48x = 9,168.34 × 2,986.86
  4. Step 4: Simplify right side
    6,109.48x = 27,384,548.01
  5. Step 5: Solve for x
    x = 27,384,548.01/6,109.48
  6. Step 6: Final answer
    x = 4,482.30

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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.