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Finding the Fourth Proportional to 7,396.00, 11,041.31 and 7,136.48

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Solution

The fourth proportional to 7,396.00, 11,041.31 and 7,136.48 is: 10,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.00 : 11,041.31 = 7,136.48 : x
  2. Step 2: Convert to fraction form
    7,396.00/11,041.31 = 7,136.48/x
  3. Step 3: Cross multiply
    7,396.00x = 11,041.31 × 7,136.48
  4. Step 4: Simplify right side
    7,396.00x = 78,796,133.43
  5. Step 5: Solve for x
    x = 78,796,133.43/7,396.00
  6. Step 6: Final answer
    x = 10,653.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.