Home / 10,164.18-15,247.44-2,768.73

Finding the Fourth Proportional to 10,164.18, 15,247.44 and 2,768.73

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Solution

The fourth proportional to 10,164.18, 15,247.44 and 2,768.73 is: 4,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,164.18 : 15,247.44 = 2,768.73 : x
  2. Step 2: Convert to fraction form
    10,164.18/15,247.44 = 2,768.73/x
  3. Step 3: Cross multiply
    10,164.18x = 15,247.44 × 2,768.73
  4. Step 4: Simplify right side
    10,164.18x = 42,216,073.14
  5. Step 5: Solve for x
    x = 42,216,073.14/10,164.18
  6. Step 6: Final answer
    x = 4,153.41

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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.