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Finding the Fourth Proportional to 7,395.99, 11,041.27 and 7,136.45

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Solution

The fourth proportional to 7,395.99, 11,041.27 and 7,136.45 is: 10,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.99 : 11,041.27 = 7,136.45 : x
  2. Step 2: Convert to fraction form
    7,395.99/11,041.27 = 7,136.45/x
  3. Step 3: Cross multiply
    7,395.99x = 11,041.27 × 7,136.45
  4. Step 4: Simplify right side
    7,395.99x = 78,795,551.93
  5. Step 5: Solve for x
    x = 78,795,551.93/7,395.99
  6. Step 6: Final answer
    x = 10,653.82

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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.