Home / 11,551.15-17,326.56-2,785.99

Finding the Fourth Proportional to 11,551.15, 17,326.56 and 2,785.99

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Solution

The fourth proportional to 11,551.15, 17,326.56 and 2,785.99 is: 4,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.15 : 17,326.56 = 2,785.99 : x
  2. Step 2: Convert to fraction form
    11,551.15/17,326.56 = 2,785.99/x
  3. Step 3: Cross multiply
    11,551.15x = 17,326.56 × 2,785.99
  4. Step 4: Simplify right side
    11,551.15x = 48,271,622.89
  5. Step 5: Solve for x
    x = 48,271,622.89/11,551.15
  6. Step 6: Final answer
    x = 4,178.95

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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.