Home / 8,173.19-12,259.79-2,626.98

Finding the Fourth Proportional to 8,173.19, 12,259.79 and 2,626.98

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Solution

The fourth proportional to 8,173.19, 12,259.79 and 2,626.98 is: 3,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.19 : 12,259.79 = 2,626.98 : x
  2. Step 2: Convert to fraction form
    8,173.19/12,259.79 = 2,626.98/x
  3. Step 3: Cross multiply
    8,173.19x = 12,259.79 × 2,626.98
  4. Step 4: Simplify right side
    8,173.19x = 32,206,210.00
  5. Step 5: Solve for x
    x = 32,206,210.00/8,173.19
  6. Step 6: Final answer
    x = 3,940.47

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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.