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Finding the Fourth Proportional to 9,583.70, 13,196.93 and 9,365.36

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Solution

The fourth proportional to 9,583.70, 13,196.93 and 9,365.36 is: 12,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583.70 : 13,196.93 = 9,365.36 : x
  2. Step 2: Convert to fraction form
    9,583.70/13,196.93 = 9,365.36/x
  3. Step 3: Cross multiply
    9,583.70x = 13,196.93 × 9,365.36
  4. Step 4: Simplify right side
    9,583.70x = 123,593,887.53
  5. Step 5: Solve for x
    x = 123,593,887.53/9,583.70
  6. Step 6: Final answer
    x = 12,896.27

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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.