Home / 12,572.44-18,861.60-4,252.32

Finding the Fourth Proportional to 12,572.44, 18,861.60 and 4,252.32

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Solution

The fourth proportional to 12,572.44, 18,861.60 and 4,252.32 is: 6,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.44 : 18,861.60 = 4,252.32 : x
  2. Step 2: Convert to fraction form
    12,572.44/18,861.60 = 4,252.32/x
  3. Step 3: Cross multiply
    12,572.44x = 18,861.60 × 4,252.32
  4. Step 4: Simplify right side
    12,572.44x = 80,205,558.91
  5. Step 5: Solve for x
    x = 80,205,558.91/12,572.44
  6. Step 6: Final answer
    x = 6,379.47

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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.