Home / 8,370.25-12,548.22-3,436.81

Finding the Fourth Proportional to 8,370.25, 12,548.22 and 3,436.81

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Solution

The fourth proportional to 8,370.25, 12,548.22 and 3,436.81 is: 5,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.25 : 12,548.22 = 3,436.81 : x
  2. Step 2: Convert to fraction form
    8,370.25/12,548.22 = 3,436.81/x
  3. Step 3: Cross multiply
    8,370.25x = 12,548.22 × 3,436.81
  4. Step 4: Simplify right side
    8,370.25x = 43,125,847.98
  5. Step 5: Solve for x
    x = 43,125,847.98/8,370.25
  6. Step 6: Final answer
    x = 5,152.28

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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.