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Finding the Fourth Proportional to 8,546.58, 11,790.68 and 5,188.10

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Solution

The fourth proportional to 8,546.58, 11,790.68 and 5,188.10 is: 7,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.58 : 11,790.68 = 5,188.10 : x
  2. Step 2: Convert to fraction form
    8,546.58/11,790.68 = 5,188.10/x
  3. Step 3: Cross multiply
    8,546.58x = 11,790.68 × 5,188.10
  4. Step 4: Simplify right side
    8,546.58x = 61,171,142.01
  5. Step 5: Solve for x
    x = 61,171,142.01/8,546.58
  6. Step 6: Final answer
    x = 7,157.38

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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.