Home / 11,991.23-16,558.35-7,522.67

Finding the Fourth Proportional to 11,991.23, 16,558.35 and 7,522.67

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Solution

The fourth proportional to 11,991.23, 16,558.35 and 7,522.67 is: 10,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.23 : 16,558.35 = 7,522.67 : x
  2. Step 2: Convert to fraction form
    11,991.23/16,558.35 = 7,522.67/x
  3. Step 3: Cross multiply
    11,991.23x = 16,558.35 × 7,522.67
  4. Step 4: Simplify right side
    11,991.23x = 124,562,882.39
  5. Step 5: Solve for x
    x = 124,562,882.39/11,991.23
  6. Step 6: Final answer
    x = 10,387.83

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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.