Home / 10,101.42-15,158.44-3,861.96

Finding the Fourth Proportional to 10,101.42, 15,158.44 and 3,861.96

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Solution

The fourth proportional to 10,101.42, 15,158.44 and 3,861.96 is: 5,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.42 : 15,158.44 = 3,861.96 : x
  2. Step 2: Convert to fraction form
    10,101.42/15,158.44 = 3,861.96/x
  3. Step 3: Cross multiply
    10,101.42x = 15,158.44 × 3,861.96
  4. Step 4: Simplify right side
    10,101.42x = 58,541,288.94
  5. Step 5: Solve for x
    x = 58,541,288.94/10,101.42
  6. Step 6: Final answer
    x = 5,795.35

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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.