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Finding the Fourth Proportional to 8,635.08, 11,887.59 and 8,238.33

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Solution

The fourth proportional to 8,635.08, 11,887.59 and 8,238.33 is: 11,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.08 : 11,887.59 = 8,238.33 : x
  2. Step 2: Convert to fraction form
    8,635.08/11,887.59 = 8,238.33/x
  3. Step 3: Cross multiply
    8,635.08x = 11,887.59 × 8,238.33
  4. Step 4: Simplify right side
    8,635.08x = 97,933,889.32
  5. Step 5: Solve for x
    x = 97,933,889.32/8,635.08
  6. Step 6: Final answer
    x = 11,341.40

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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.