Home / 11,430.24-17,131.23-6,745.50

Finding the Fourth Proportional to 11,430.24, 17,131.23 and 6,745.50

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Solution

The fourth proportional to 11,430.24, 17,131.23 and 6,745.50 is: 10,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.24 : 17,131.23 = 6,745.50 : x
  2. Step 2: Convert to fraction form
    11,430.24/17,131.23 = 6,745.50/x
  3. Step 3: Cross multiply
    11,430.24x = 17,131.23 × 6,745.50
  4. Step 4: Simplify right side
    11,430.24x = 115,558,711.97
  5. Step 5: Solve for x
    x = 115,558,711.97/11,430.24
  6. Step 6: Final answer
    x = 10,109.91

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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.