Home / 7,415.94-11,127-3,253.80

Finding the Fourth Proportional to 7,415.94, 11,127 and 3,253.80

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Solution

The fourth proportional to 7,415.94, 11,127 and 3,253.80 is: 4,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.94 : 11,127 = 3,253.80 : x
  2. Step 2: Convert to fraction form
    7,415.94/11,127 = 3,253.80/x
  3. Step 3: Cross multiply
    7,415.94x = 11,127 × 3,253.80
  4. Step 4: Simplify right side
    7,415.94x = 36,205,032.60
  5. Step 5: Solve for x
    x = 36,205,032.60/7,415.94
  6. Step 6: Final answer
    x = 4,882.06

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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.