Home / 6,199.88-8,563.12-4,100.36

Finding the Fourth Proportional to 6,199.88, 8,563.12 and 4,100.36

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Solution

The fourth proportional to 6,199.88, 8,563.12 and 4,100.36 is: 5,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.88 : 8,563.12 = 4,100.36 : x
  2. Step 2: Convert to fraction form
    6,199.88/8,563.12 = 4,100.36/x
  3. Step 3: Cross multiply
    6,199.88x = 8,563.12 × 4,100.36
  4. Step 4: Simplify right side
    6,199.88x = 35,111,821.66
  5. Step 5: Solve for x
    x = 35,111,821.66/6,199.88
  6. Step 6: Final answer
    x = 5,663.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.