Home / 11,942.58-16,478.82-6,637.26

Finding the Fourth Proportional to 11,942.58, 16,478.82 and 6,637.26

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Solution

The fourth proportional to 11,942.58, 16,478.82 and 6,637.26 is: 9,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.58 : 16,478.82 = 6,637.26 : x
  2. Step 2: Convert to fraction form
    11,942.58/16,478.82 = 6,637.26/x
  3. Step 3: Cross multiply
    11,942.58x = 16,478.82 × 6,637.26
  4. Step 4: Simplify right side
    11,942.58x = 109,374,212.83
  5. Step 5: Solve for x
    x = 109,374,212.83/11,942.58
  6. Step 6: Final answer
    x = 9,158.34

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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.