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Finding the Fourth Proportional to 11,453.63, 17,158.07 and 7,895.12

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Solution

The fourth proportional to 11,453.63, 17,158.07 and 7,895.12 is: 11,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.63 : 17,158.07 = 7,895.12 : x
  2. Step 2: Convert to fraction form
    11,453.63/17,158.07 = 7,895.12/x
  3. Step 3: Cross multiply
    11,453.63x = 17,158.07 × 7,895.12
  4. Step 4: Simplify right side
    11,453.63x = 135,464,896.35
  5. Step 5: Solve for x
    x = 135,464,896.35/11,453.63
  6. Step 6: Final answer
    x = 11,827.25

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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.