Home / 12,607.44-18,910.80-3,841.98

Finding the Fourth Proportional to 12,607.44, 18,910.80 and 3,841.98

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Solution

The fourth proportional to 12,607.44, 18,910.80 and 3,841.98 is: 5,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.44 : 18,910.80 = 3,841.98 : x
  2. Step 2: Convert to fraction form
    12,607.44/18,910.80 = 3,841.98/x
  3. Step 3: Cross multiply
    12,607.44x = 18,910.80 × 3,841.98
  4. Step 4: Simplify right side
    12,607.44x = 72,654,915.38
  5. Step 5: Solve for x
    x = 72,654,915.38/12,607.44
  6. Step 6: Final answer
    x = 5,762.86

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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.