Home / 11,274.60-15,557.96-6,238.74

Finding the Fourth Proportional to 11,274.60, 15,557.96 and 6,238.74

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Solution

The fourth proportional to 11,274.60, 15,557.96 and 6,238.74 is: 8,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.60 : 15,557.96 = 6,238.74 : x
  2. Step 2: Convert to fraction form
    11,274.60/15,557.96 = 6,238.74/x
  3. Step 3: Cross multiply
    11,274.60x = 15,557.96 × 6,238.74
  4. Step 4: Simplify right side
    11,274.60x = 97,062,067.37
  5. Step 5: Solve for x
    x = 97,062,067.37/11,274.60
  6. Step 6: Final answer
    x = 8,608.91

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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.