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Finding the Fourth Proportional to 9,246.96, 12,756.35 and 8,888.89

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Solution

The fourth proportional to 9,246.96, 12,756.35 and 8,888.89 is: 12,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.96 : 12,756.35 = 8,888.89 : x
  2. Step 2: Convert to fraction form
    9,246.96/12,756.35 = 8,888.89/x
  3. Step 3: Cross multiply
    9,246.96x = 12,756.35 × 8,888.89
  4. Step 4: Simplify right side
    9,246.96x = 113,389,791.95
  5. Step 5: Solve for x
    x = 113,389,791.95/9,246.96
  6. Step 6: Final answer
    x = 12,262.39

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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.