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Finding the Fourth Proportional to 11,612.43, 16,025.22 and 6,307.29

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Solution

The fourth proportional to 11,612.43, 16,025.22 and 6,307.29 is: 8,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.43 : 16,025.22 = 6,307.29 : x
  2. Step 2: Convert to fraction form
    11,612.43/16,025.22 = 6,307.29/x
  3. Step 3: Cross multiply
    11,612.43x = 16,025.22 × 6,307.29
  4. Step 4: Simplify right side
    11,612.43x = 101,075,709.85
  5. Step 5: Solve for x
    x = 101,075,709.85/11,612.43
  6. Step 6: Final answer
    x = 8,704.10

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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.