Home / 11,986.70-16,542.87-6,950.67

Finding the Fourth Proportional to 11,986.70, 16,542.87 and 6,950.67

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Solution

The fourth proportional to 11,986.70, 16,542.87 and 6,950.67 is: 9,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.70 : 16,542.87 = 6,950.67 : x
  2. Step 2: Convert to fraction form
    11,986.70/16,542.87 = 6,950.67/x
  3. Step 3: Cross multiply
    11,986.70x = 16,542.87 × 6,950.67
  4. Step 4: Simplify right side
    11,986.70x = 114,984,030.22
  5. Step 5: Solve for x
    x = 114,984,030.22/11,986.70
  6. Step 6: Final answer
    x = 9,592.64

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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.