Home / 10,178.44-15,269.85-3,158.33

Finding the Fourth Proportional to 10,178.44, 15,269.85 and 3,158.33

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Solution

The fourth proportional to 10,178.44, 15,269.85 and 3,158.33 is: 4,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.44 : 15,269.85 = 3,158.33 : x
  2. Step 2: Convert to fraction form
    10,178.44/15,269.85 = 3,158.33/x
  3. Step 3: Cross multiply
    10,178.44x = 15,269.85 × 3,158.33
  4. Step 4: Simplify right side
    10,178.44x = 48,227,149.00
  5. Step 5: Solve for x
    x = 48,227,149.00/10,178.44
  6. Step 6: Final answer
    x = 4,738.17

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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.