Home / 8,415.07-12,622.14-2,571.22

Finding the Fourth Proportional to 8,415.07, 12,622.14 and 2,571.22

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Solution

The fourth proportional to 8,415.07, 12,622.14 and 2,571.22 is: 3,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.07 : 12,622.14 = 2,571.22 : x
  2. Step 2: Convert to fraction form
    8,415.07/12,622.14 = 2,571.22/x
  3. Step 3: Cross multiply
    8,415.07x = 12,622.14 × 2,571.22
  4. Step 4: Simplify right side
    8,415.07x = 32,454,235.70
  5. Step 5: Solve for x
    x = 32,454,235.70/8,415.07
  6. Step 6: Final answer
    x = 3,856.68

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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.