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Finding the Fourth Proportional to 8,153.70, 12,237.53 and 8,092.34

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Solution

The fourth proportional to 8,153.70, 12,237.53 and 8,092.34 is: 12,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.70 : 12,237.53 = 8,092.34 : x
  2. Step 2: Convert to fraction form
    8,153.70/12,237.53 = 8,092.34/x
  3. Step 3: Cross multiply
    8,153.70x = 12,237.53 × 8,092.34
  4. Step 4: Simplify right side
    8,153.70x = 99,030,253.52
  5. Step 5: Solve for x
    x = 99,030,253.52/8,153.70
  6. Step 6: Final answer
    x = 12,145.44

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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.