Home / 12,450.84-17,182.80-6,861.84

Finding the Fourth Proportional to 12,450.84, 17,182.80 and 6,861.84

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Solution

The fourth proportional to 12,450.84, 17,182.80 and 6,861.84 is: 9,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.84 : 17,182.80 = 6,861.84 : x
  2. Step 2: Convert to fraction form
    12,450.84/17,182.80 = 6,861.84/x
  3. Step 3: Cross multiply
    12,450.84x = 17,182.80 × 6,861.84
  4. Step 4: Simplify right side
    12,450.84x = 117,905,624.35
  5. Step 5: Solve for x
    x = 117,905,624.35/12,450.84
  6. Step 6: Final answer
    x = 9,469.69

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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.