Home / 11,711.56-17,574.27-4,321.22

Finding the Fourth Proportional to 11,711.56, 17,574.27 and 4,321.22

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Solution

The fourth proportional to 11,711.56, 17,574.27 and 4,321.22 is: 6,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.56 : 17,574.27 = 4,321.22 : x
  2. Step 2: Convert to fraction form
    11,711.56/17,574.27 = 4,321.22/x
  3. Step 3: Cross multiply
    11,711.56x = 17,574.27 × 4,321.22
  4. Step 4: Simplify right side
    11,711.56x = 75,942,287.01
  5. Step 5: Solve for x
    x = 75,942,287.01/11,711.56
  6. Step 6: Final answer
    x = 6,484.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.