Home / 11,196.09-15,450.75-6,479.46

Finding the Fourth Proportional to 11,196.09, 15,450.75 and 6,479.46

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Solution

The fourth proportional to 11,196.09, 15,450.75 and 6,479.46 is: 8,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.09 : 15,450.75 = 6,479.46 : x
  2. Step 2: Convert to fraction form
    11,196.09/15,450.75 = 6,479.46/x
  3. Step 3: Cross multiply
    11,196.09x = 15,450.75 × 6,479.46
  4. Step 4: Simplify right side
    11,196.09x = 100,112,516.60
  5. Step 5: Solve for x
    x = 100,112,516.60/11,196.09
  6. Step 6: Final answer
    x = 8,941.74

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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.