Home / 11,194.63-15,450.01-6,478.00

Finding the Fourth Proportional to 11,194.63, 15,450.01 and 6,478.00

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Solution

The fourth proportional to 11,194.63, 15,450.01 and 6,478.00 is: 8,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.63 : 15,450.01 = 6,478.00 : x
  2. Step 2: Convert to fraction form
    11,194.63/15,450.01 = 6,478.00/x
  3. Step 3: Cross multiply
    11,194.63x = 15,450.01 × 6,478.00
  4. Step 4: Simplify right side
    11,194.63x = 100,085,109.96
  5. Step 5: Solve for x
    x = 100,085,109.96/11,194.63
  6. Step 6: Final answer
    x = 8,940.46

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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.