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Finding the Fourth Proportional to 8,367.40, 11,544.90 and 5,011.48

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Solution

The fourth proportional to 8,367.40, 11,544.90 and 5,011.48 is: 6,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.40 : 11,544.90 = 5,011.48 : x
  2. Step 2: Convert to fraction form
    8,367.40/11,544.90 = 5,011.48/x
  3. Step 3: Cross multiply
    8,367.40x = 11,544.90 × 5,011.48
  4. Step 4: Simplify right side
    8,367.40x = 57,857,035.45
  5. Step 5: Solve for x
    x = 57,857,035.45/8,367.40
  6. Step 6: Final answer
    x = 6,914.58

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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.