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Finding the Fourth Proportional to 8,597.88, 12,914.10 and 7,513.56

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Solution

The fourth proportional to 8,597.88, 12,914.10 and 7,513.56 is: 11,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.88 : 12,914.10 = 7,513.56 : x
  2. Step 2: Convert to fraction form
    8,597.88/12,914.10 = 7,513.56/x
  3. Step 3: Cross multiply
    8,597.88x = 12,914.10 × 7,513.56
  4. Step 4: Simplify right side
    8,597.88x = 97,030,865.20
  5. Step 5: Solve for x
    x = 97,030,865.20/8,597.88
  6. Step 6: Final answer
    x = 11,285.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.