Home / 11,916.54-16,445.07-6,611.94

Finding the Fourth Proportional to 11,916.54, 16,445.07 and 6,611.94

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Solution

The fourth proportional to 11,916.54, 16,445.07 and 6,611.94 is: 9,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.54 : 16,445.07 = 6,611.94 : x
  2. Step 2: Convert to fraction form
    11,916.54/16,445.07 = 6,611.94/x
  3. Step 3: Cross multiply
    11,916.54x = 16,445.07 × 6,611.94
  4. Step 4: Simplify right side
    11,916.54x = 108,733,816.14
  5. Step 5: Solve for x
    x = 108,733,816.14/11,916.54
  6. Step 6: Final answer
    x = 9,124.61

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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.