Home / 10,861.98-16,294.30-3,840.54

Finding the Fourth Proportional to 10,861.98, 16,294.30 and 3,840.54

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Solution

The fourth proportional to 10,861.98, 16,294.30 and 3,840.54 is: 5,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.98 : 16,294.30 = 3,840.54 : x
  2. Step 2: Convert to fraction form
    10,861.98/16,294.30 = 3,840.54/x
  3. Step 3: Cross multiply
    10,861.98x = 16,294.30 × 3,840.54
  4. Step 4: Simplify right side
    10,861.98x = 62,578,840.22
  5. Step 5: Solve for x
    x = 62,578,840.22/10,861.98
  6. Step 6: Final answer
    x = 5,761.28

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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.