Home / 11,682.08-16,121.25-6,376.89

Finding the Fourth Proportional to 11,682.08, 16,121.25 and 6,376.89

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Solution

The fourth proportional to 11,682.08, 16,121.25 and 6,376.89 is: 8,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.08 : 16,121.25 = 6,376.89 : x
  2. Step 2: Convert to fraction form
    11,682.08/16,121.25 = 6,376.89/x
  3. Step 3: Cross multiply
    11,682.08x = 16,121.25 × 6,376.89
  4. Step 4: Simplify right side
    11,682.08x = 102,803,461.83
  5. Step 5: Solve for x
    x = 102,803,461.83/11,682.08
  6. Step 6: Final answer
    x = 8,800.10

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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.