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Finding the Fourth Proportional to 9,453.72, 14,157.90 and 7,246.20

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Solution

The fourth proportional to 9,453.72, 14,157.90 and 7,246.20 is: 10,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.72 : 14,157.90 = 7,246.20 : x
  2. Step 2: Convert to fraction form
    9,453.72/14,157.90 = 7,246.20/x
  3. Step 3: Cross multiply
    9,453.72x = 14,157.90 × 7,246.20
  4. Step 4: Simplify right side
    9,453.72x = 102,590,974.98
  5. Step 5: Solve for x
    x = 102,590,974.98/9,453.72
  6. Step 6: Final answer
    x = 10,851.92

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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.