Home / 11,125.64-16,694.21-4,890.02

Finding the Fourth Proportional to 11,125.64, 16,694.21 and 4,890.02

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Solution

The fourth proportional to 11,125.64, 16,694.21 and 4,890.02 is: 7,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.64 : 16,694.21 = 4,890.02 : x
  2. Step 2: Convert to fraction form
    11,125.64/16,694.21 = 4,890.02/x
  3. Step 3: Cross multiply
    11,125.64x = 16,694.21 × 4,890.02
  4. Step 4: Simplify right side
    11,125.64x = 81,634,912.86
  5. Step 5: Solve for x
    x = 81,634,912.86/11,125.64
  6. Step 6: Final answer
    x = 7,337.55

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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.