Home / 8,571.98-12,858.14-3,025.21

Finding the Fourth Proportional to 8,571.98, 12,858.14 and 3,025.21

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Solution

The fourth proportional to 8,571.98, 12,858.14 and 3,025.21 is: 4,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.98 : 12,858.14 = 3,025.21 : x
  2. Step 2: Convert to fraction form
    8,571.98/12,858.14 = 3,025.21/x
  3. Step 3: Cross multiply
    8,571.98x = 12,858.14 × 3,025.21
  4. Step 4: Simplify right side
    8,571.98x = 38,898,573.71
  5. Step 5: Solve for x
    x = 38,898,573.71/8,571.98
  6. Step 6: Final answer
    x = 4,537.87

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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.