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Finding the Fourth Proportional to 8,597.94, 12,955.48 and 7,072.12

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Solution

The fourth proportional to 8,597.94, 12,955.48 and 7,072.12 is: 10,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.94 : 12,955.48 = 7,072.12 : x
  2. Step 2: Convert to fraction form
    8,597.94/12,955.48 = 7,072.12/x
  3. Step 3: Cross multiply
    8,597.94x = 12,955.48 × 7,072.12
  4. Step 4: Simplify right side
    8,597.94x = 91,622,709.22
  5. Step 5: Solve for x
    x = 91,622,709.22/8,597.94
  6. Step 6: Final answer
    x = 10,656.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.