Home / 11,215.66-16,823.62-4,803.38

Finding the Fourth Proportional to 11,215.66, 16,823.62 and 4,803.38

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Solution

The fourth proportional to 11,215.66, 16,823.62 and 4,803.38 is: 7,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.66 : 16,823.62 = 4,803.38 : x
  2. Step 2: Convert to fraction form
    11,215.66/16,823.62 = 4,803.38/x
  3. Step 3: Cross multiply
    11,215.66x = 16,823.62 × 4,803.38
  4. Step 4: Simplify right side
    11,215.66x = 80,810,224.81
  5. Step 5: Solve for x
    x = 80,810,224.81/11,215.66
  6. Step 6: Final answer
    x = 7,205.13

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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.