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Finding the Fourth Proportional to 10,883.44, 16,324.86 and 7,317.40

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Solution

The fourth proportional to 10,883.44, 16,324.86 and 7,317.40 is: 10,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.44 : 16,324.86 = 7,317.40 : x
  2. Step 2: Convert to fraction form
    10,883.44/16,324.86 = 7,317.40/x
  3. Step 3: Cross multiply
    10,883.44x = 16,324.86 × 7,317.40
  4. Step 4: Simplify right side
    10,883.44x = 119,455,530.56
  5. Step 5: Solve for x
    x = 119,455,530.56/10,883.44
  6. Step 6: Final answer
    x = 10,975.90

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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.