Home / 11,764.30-16,227.59-6,981.09

Finding the Fourth Proportional to 11,764.30, 16,227.59 and 6,981.09

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Solution

The fourth proportional to 11,764.30, 16,227.59 and 6,981.09 is: 9,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.30 : 16,227.59 = 6,981.09 : x
  2. Step 2: Convert to fraction form
    11,764.30/16,227.59 = 6,981.09/x
  3. Step 3: Cross multiply
    11,764.30x = 16,227.59 × 6,981.09
  4. Step 4: Simplify right side
    11,764.30x = 113,286,283.73
  5. Step 5: Solve for x
    x = 113,286,283.73/11,764.30
  6. Step 6: Final answer
    x = 9,629.67

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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.