Home / 11,551.05-17,326.53-2,785.95

Finding the Fourth Proportional to 11,551.05, 17,326.53 and 2,785.95

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Solution

The fourth proportional to 11,551.05, 17,326.53 and 2,785.95 is: 4,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.05 : 17,326.53 = 2,785.95 : x
  2. Step 2: Convert to fraction form
    11,551.05/17,326.53 = 2,785.95/x
  3. Step 3: Cross multiply
    11,551.05x = 17,326.53 × 2,785.95
  4. Step 4: Simplify right side
    11,551.05x = 48,270,846.25
  5. Step 5: Solve for x
    x = 48,270,846.25/11,551.05
  6. Step 6: Final answer
    x = 4,178.91

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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.