Home / 10,110.19-15,179.34-5,183.23

Finding the Fourth Proportional to 10,110.19, 15,179.34 and 5,183.23

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Solution

The fourth proportional to 10,110.19, 15,179.34 and 5,183.23 is: 7,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.19 : 15,179.34 = 5,183.23 : x
  2. Step 2: Convert to fraction form
    10,110.19/15,179.34 = 5,183.23/x
  3. Step 3: Cross multiply
    10,110.19x = 15,179.34 × 5,183.23
  4. Step 4: Simplify right side
    10,110.19x = 78,678,010.47
  5. Step 5: Solve for x
    x = 78,678,010.47/10,110.19
  6. Step 6: Final answer
    x = 7,782.05

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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.