Home / 11,103.91-16,664.08-5,260.53

Finding the Fourth Proportional to 11,103.91, 16,664.08 and 5,260.53

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Solution

The fourth proportional to 11,103.91, 16,664.08 and 5,260.53 is: 7,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.91 : 16,664.08 = 5,260.53 : x
  2. Step 2: Convert to fraction form
    11,103.91/16,664.08 = 5,260.53/x
  3. Step 3: Cross multiply
    11,103.91x = 16,664.08 × 5,260.53
  4. Step 4: Simplify right side
    11,103.91x = 87,661,892.76
  5. Step 5: Solve for x
    x = 87,661,892.76/11,103.91
  6. Step 6: Final answer
    x = 7,894.69

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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.