Home / 9,194.10-13,781.43-3,999.30

Finding the Fourth Proportional to 9,194.10, 13,781.43 and 3,999.30

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Solution

The fourth proportional to 9,194.10, 13,781.43 and 3,999.30 is: 5,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.10 : 13,781.43 = 3,999.30 : x
  2. Step 2: Convert to fraction form
    9,194.10/13,781.43 = 3,999.30/x
  3. Step 3: Cross multiply
    9,194.10x = 13,781.43 × 3,999.30
  4. Step 4: Simplify right side
    9,194.10x = 55,116,073.00
  5. Step 5: Solve for x
    x = 55,116,073.00/9,194.10
  6. Step 6: Final answer
    x = 5,994.72

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1.5x scale

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.