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Finding the Fourth Proportional to 9,136.56, 13,696.74 and 4,453.95

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Solution

The fourth proportional to 9,136.56, 13,696.74 and 4,453.95 is: 6,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.56 : 13,696.74 = 4,453.95 : x
  2. Step 2: Convert to fraction form
    9,136.56/13,696.74 = 4,453.95/x
  3. Step 3: Cross multiply
    9,136.56x = 13,696.74 × 4,453.95
  4. Step 4: Simplify right side
    9,136.56x = 61,004,595.12
  5. Step 5: Solve for x
    x = 61,004,595.12/9,136.56
  6. Step 6: Final answer
    x = 6,676.98

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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.