Home / 11,384.52-17,099.30-6,890.67

Finding the Fourth Proportional to 11,384.52, 17,099.30 and 6,890.67

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Solution

The fourth proportional to 11,384.52, 17,099.30 and 6,890.67 is: 10,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.52 : 17,099.30 = 6,890.67 : x
  2. Step 2: Convert to fraction form
    11,384.52/17,099.30 = 6,890.67/x
  3. Step 3: Cross multiply
    11,384.52x = 17,099.30 × 6,890.67
  4. Step 4: Simplify right side
    11,384.52x = 117,825,621.69
  5. Step 5: Solve for x
    x = 117,825,621.69/11,384.52
  6. Step 6: Final answer
    x = 10,349.63

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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.