Home / 7,403.21-11,109.19-2,726.51

Finding the Fourth Proportional to 7,403.21, 11,109.19 and 2,726.51

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Solution

The fourth proportional to 7,403.21, 11,109.19 and 2,726.51 is: 4,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.21 : 11,109.19 = 2,726.51 : x
  2. Step 2: Convert to fraction form
    7,403.21/11,109.19 = 2,726.51/x
  3. Step 3: Cross multiply
    7,403.21x = 11,109.19 × 2,726.51
  4. Step 4: Simplify right side
    7,403.21x = 30,289,262.08
  5. Step 5: Solve for x
    x = 30,289,262.08/7,403.21
  6. Step 6: Final answer
    x = 4,091.37

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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.