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Finding the Fourth Proportional to 8,650.89, 11,926.31 and 6,525.45

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Solution

The fourth proportional to 8,650.89, 11,926.31 and 6,525.45 is: 8,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.89 : 11,926.31 = 6,525.45 : x
  2. Step 2: Convert to fraction form
    8,650.89/11,926.31 = 6,525.45/x
  3. Step 3: Cross multiply
    8,650.89x = 11,926.31 × 6,525.45
  4. Step 4: Simplify right side
    8,650.89x = 77,824,506.96
  5. Step 5: Solve for x
    x = 77,824,506.96/8,650.89
  6. Step 6: Final answer
    x = 8,996.13

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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.