Home / 12,722.44-17,556.33-7,056.75

Finding the Fourth Proportional to 12,722.44, 17,556.33 and 7,056.75

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Solution

The fourth proportional to 12,722.44, 17,556.33 and 7,056.75 is: 9,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.44 : 17,556.33 = 7,056.75 : x
  2. Step 2: Convert to fraction form
    12,722.44/17,556.33 = 7,056.75/x
  3. Step 3: Cross multiply
    12,722.44x = 17,556.33 × 7,056.75
  4. Step 4: Simplify right side
    12,722.44x = 123,890,631.73
  5. Step 5: Solve for x
    x = 123,890,631.73/12,722.44
  6. Step 6: Final answer
    x = 9,737.96

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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.