Home / 11,409.06-15,745.41-6,695.22

Finding the Fourth Proportional to 11,409.06, 15,745.41 and 6,695.22

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Solution

The fourth proportional to 11,409.06, 15,745.41 and 6,695.22 is: 9,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.06 : 15,745.41 = 6,695.22 : x
  2. Step 2: Convert to fraction form
    11,409.06/15,745.41 = 6,695.22/x
  3. Step 3: Cross multiply
    11,409.06x = 15,745.41 × 6,695.22
  4. Step 4: Simplify right side
    11,409.06x = 105,418,983.94
  5. Step 5: Solve for x
    x = 105,418,983.94/11,409.06
  6. Step 6: Final answer
    x = 9,239.94

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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.