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Finding the Fourth Proportional to 11,854.34, 16,362.26 and 7,375.42

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Solution

The fourth proportional to 11,854.34, 16,362.26 and 7,375.42 is: 10,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.34 : 16,362.26 = 7,375.42 : x
  2. Step 2: Convert to fraction form
    11,854.34/16,362.26 = 7,375.42/x
  3. Step 3: Cross multiply
    11,854.34x = 16,362.26 × 7,375.42
  4. Step 4: Simplify right side
    11,854.34x = 120,678,539.65
  5. Step 5: Solve for x
    x = 120,678,539.65/11,854.34
  6. Step 6: Final answer
    x = 10,180.11

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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.