Home / 13,847.09-19,110.08-7,879.01

Finding the Fourth Proportional to 13,847.09, 19,110.08 and 7,879.01

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Solution

The fourth proportional to 13,847.09, 19,110.08 and 7,879.01 is: 10,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.09 : 19,110.08 = 7,879.01 : x
  2. Step 2: Convert to fraction form
    13,847.09/19,110.08 = 7,879.01/x
  3. Step 3: Cross multiply
    13,847.09x = 19,110.08 × 7,879.01
  4. Step 4: Simplify right side
    13,847.09x = 150,568,472.03
  5. Step 5: Solve for x
    x = 150,568,472.03/13,847.09
  6. Step 6: Final answer
    x = 10,873.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.