Home / 11,998.50-16,558.71-6,964.35

Finding the Fourth Proportional to 11,998.50, 16,558.71 and 6,964.35

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Solution

The fourth proportional to 11,998.50, 16,558.71 and 6,964.35 is: 9,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.50 : 16,558.71 = 6,964.35 : x
  2. Step 2: Convert to fraction form
    11,998.50/16,558.71 = 6,964.35/x
  3. Step 3: Cross multiply
    11,998.50x = 16,558.71 × 6,964.35
  4. Step 4: Simplify right side
    11,998.50x = 115,320,651.99
  5. Step 5: Solve for x
    x = 115,320,651.99/11,998.50
  6. Step 6: Final answer
    x = 9,611.26

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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.