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Finding the Fourth Proportional to 8,558.35, 11,804.02 and 7,365.32

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Solution

The fourth proportional to 8,558.35, 11,804.02 and 7,365.32 is: 10,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.35 : 11,804.02 = 7,365.32 : x
  2. Step 2: Convert to fraction form
    8,558.35/11,804.02 = 7,365.32/x
  3. Step 3: Cross multiply
    8,558.35x = 11,804.02 × 7,365.32
  4. Step 4: Simplify right side
    8,558.35x = 86,940,395.68
  5. Step 5: Solve for x
    x = 86,940,395.68/8,558.35
  6. Step 6: Final answer
    x = 10,158.54

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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.