Home / 11,192.52-15,446.34-6,478.44

Finding the Fourth Proportional to 11,192.52, 15,446.34 and 6,478.44

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Solution

The fourth proportional to 11,192.52, 15,446.34 and 6,478.44 is: 8,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.52 : 15,446.34 = 6,478.44 : x
  2. Step 2: Convert to fraction form
    11,192.52/15,446.34 = 6,478.44/x
  3. Step 3: Cross multiply
    11,192.52x = 15,446.34 × 6,478.44
  4. Step 4: Simplify right side
    11,192.52x = 100,068,186.91
  5. Step 5: Solve for x
    x = 100,068,186.91/11,192.52
  6. Step 6: Final answer
    x = 8,940.63

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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.