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Finding the Fourth Proportional to 11,653.10, 16,074.96 and 6,936.47

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Solution

The fourth proportional to 11,653.10, 16,074.96 and 6,936.47 is: 9,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.10 : 16,074.96 = 6,936.47 : x
  2. Step 2: Convert to fraction form
    11,653.10/16,074.96 = 6,936.47/x
  3. Step 3: Cross multiply
    11,653.10x = 16,074.96 × 6,936.47
  4. Step 4: Simplify right side
    11,653.10x = 111,503,477.79
  5. Step 5: Solve for x
    x = 111,503,477.79/11,653.10
  6. Step 6: Final answer
    x = 9,568.57

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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.