Home / 11,168.48-15,409.22-6,922.66

Finding the Fourth Proportional to 11,168.48, 15,409.22 and 6,922.66

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Solution

The fourth proportional to 11,168.48, 15,409.22 and 6,922.66 is: 9,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.48 : 15,409.22 = 6,922.66 : x
  2. Step 2: Convert to fraction form
    11,168.48/15,409.22 = 6,922.66/x
  3. Step 3: Cross multiply
    11,168.48x = 15,409.22 × 6,922.66
  4. Step 4: Simplify right side
    11,168.48x = 106,672,790.93
  5. Step 5: Solve for x
    x = 106,672,790.93/11,168.48
  6. Step 6: Final answer
    x = 9,551.24

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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.