Home / 12,174.05-16,800.11-6,796.17

Finding the Fourth Proportional to 12,174.05, 16,800.11 and 6,796.17

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Solution

The fourth proportional to 12,174.05, 16,800.11 and 6,796.17 is: 9,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.05 : 16,800.11 = 6,796.17 : x
  2. Step 2: Convert to fraction form
    12,174.05/16,800.11 = 6,796.17/x
  3. Step 3: Cross multiply
    12,174.05x = 16,800.11 × 6,796.17
  4. Step 4: Simplify right side
    12,174.05x = 114,176,369.60
  5. Step 5: Solve for x
    x = 114,176,369.60/12,174.05
  6. Step 6: Final answer
    x = 9,378.67

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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.