Home / 11,274.20-15,557.42-6,238.42

Finding the Fourth Proportional to 11,274.20, 15,557.42 and 6,238.42

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Solution

The fourth proportional to 11,274.20, 15,557.42 and 6,238.42 is: 8,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.20 : 15,557.42 = 6,238.42 : x
  2. Step 2: Convert to fraction form
    11,274.20/15,557.42 = 6,238.42/x
  3. Step 3: Cross multiply
    11,274.20x = 15,557.42 × 6,238.42
  4. Step 4: Simplify right side
    11,274.20x = 97,053,661.69
  5. Step 5: Solve for x
    x = 97,053,661.69/11,274.20
  6. Step 6: Final answer
    x = 8,608.47

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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.