Home / 11,298.72-16,940.88-5,060.64

Finding the Fourth Proportional to 11,298.72, 16,940.88 and 5,060.64

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Solution

The fourth proportional to 11,298.72, 16,940.88 and 5,060.64 is: 7,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.72 : 16,940.88 = 5,060.64 : x
  2. Step 2: Convert to fraction form
    11,298.72/16,940.88 = 5,060.64/x
  3. Step 3: Cross multiply
    11,298.72x = 16,940.88 × 5,060.64
  4. Step 4: Simplify right side
    11,298.72x = 85,731,694.96
  5. Step 5: Solve for x
    x = 85,731,694.96/11,298.72
  6. Step 6: Final answer
    x = 7,587.74

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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.