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Finding the Fourth Proportional to 8,253.21, 12,357.68 and 6,941.01

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Solution

The fourth proportional to 8,253.21, 12,357.68 and 6,941.01 is: 10,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.21 : 12,357.68 = 6,941.01 : x
  2. Step 2: Convert to fraction form
    8,253.21/12,357.68 = 6,941.01/x
  3. Step 3: Cross multiply
    8,253.21x = 12,357.68 × 6,941.01
  4. Step 4: Simplify right side
    8,253.21x = 85,774,745.75
  5. Step 5: Solve for x
    x = 85,774,745.75/8,253.21
  6. Step 6: Final answer
    x = 10,392.90

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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.