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Finding the Fourth Proportional to 8,353.03, 11,500.88 and 7,091.59

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Solution

The fourth proportional to 8,353.03, 11,500.88 and 7,091.59 is: 9,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.03 : 11,500.88 = 7,091.59 : x
  2. Step 2: Convert to fraction form
    8,353.03/11,500.88 = 7,091.59/x
  3. Step 3: Cross multiply
    8,353.03x = 11,500.88 × 7,091.59
  4. Step 4: Simplify right side
    8,353.03x = 81,559,487.98
  5. Step 5: Solve for x
    x = 81,559,487.98/8,353.03
  6. Step 6: Final answer
    x = 9,764.06

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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.