Home / 11,872.83-16,384.62-6,495.16

Finding the Fourth Proportional to 11,872.83, 16,384.62 and 6,495.16

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Solution

The fourth proportional to 11,872.83, 16,384.62 and 6,495.16 is: 8,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.83 : 16,384.62 = 6,495.16 : x
  2. Step 2: Convert to fraction form
    11,872.83/16,384.62 = 6,495.16/x
  3. Step 3: Cross multiply
    11,872.83x = 16,384.62 × 6,495.16
  4. Step 4: Simplify right side
    11,872.83x = 106,420,728.44
  5. Step 5: Solve for x
    x = 106,420,728.44/11,872.83
  6. Step 6: Final answer
    x = 8,963.38

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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.