Home / 11,926.44-16,458.48-6,621.30

Finding the Fourth Proportional to 11,926.44, 16,458.48 and 6,621.30

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Solution

The fourth proportional to 11,926.44, 16,458.48 and 6,621.30 is: 9,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.44 : 16,458.48 = 6,621.30 : x
  2. Step 2: Convert to fraction form
    11,926.44/16,458.48 = 6,621.30/x
  3. Step 3: Cross multiply
    11,926.44x = 16,458.48 × 6,621.30
  4. Step 4: Simplify right side
    11,926.44x = 108,976,533.62
  5. Step 5: Solve for x
    x = 108,976,533.62/11,926.44
  6. Step 6: Final answer
    x = 9,137.39

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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.