Home / 11,806.44-17,570.28-11,412.72

Finding the Fourth Proportional to 11,806.44, 17,570.28 and 11,412.72

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Solution

The fourth proportional to 11,806.44, 17,570.28 and 11,412.72 is: 16,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.44 : 17,570.28 = 11,412.72 : x
  2. Step 2: Convert to fraction form
    11,806.44/17,570.28 = 11,412.72/x
  3. Step 3: Cross multiply
    11,806.44x = 17,570.28 × 11,412.72
  4. Step 4: Simplify right side
    11,806.44x = 200,524,685.96
  5. Step 5: Solve for x
    x = 200,524,685.96/11,806.44
  6. Step 6: Final answer
    x = 16,984.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.