Home / 9,144.09-13,718.30-3,300.75

Finding the Fourth Proportional to 9,144.09, 13,718.30 and 3,300.75

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Solution

The fourth proportional to 9,144.09, 13,718.30 and 3,300.75 is: 4,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.09 : 13,718.30 = 3,300.75 : x
  2. Step 2: Convert to fraction form
    9,144.09/13,718.30 = 3,300.75/x
  3. Step 3: Cross multiply
    9,144.09x = 13,718.30 × 3,300.75
  4. Step 4: Simplify right side
    9,144.09x = 45,280,662.22
  5. Step 5: Solve for x
    x = 45,280,662.22/9,144.09
  6. Step 6: Final answer
    x = 4,951.90

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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.