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Finding the Fourth Proportional to 8,493.03, 11,720.15 and 5,091.96

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Solution

The fourth proportional to 8,493.03, 11,720.15 and 5,091.96 is: 7,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.03 : 11,720.15 = 5,091.96 : x
  2. Step 2: Convert to fraction form
    8,493.03/11,720.15 = 5,091.96/x
  3. Step 3: Cross multiply
    8,493.03x = 11,720.15 × 5,091.96
  4. Step 4: Simplify right side
    8,493.03x = 59,678,534.99
  5. Step 5: Solve for x
    x = 59,678,534.99/8,493.03
  6. Step 6: Final answer
    x = 7,026.77

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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.