Home / 8,961.07-13,443.88-5,266.41

Finding the Fourth Proportional to 8,961.07, 13,443.88 and 5,266.41

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Solution

The fourth proportional to 8,961.07, 13,443.88 and 5,266.41 is: 7,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.07 : 13,443.88 = 5,266.41 : x
  2. Step 2: Convert to fraction form
    8,961.07/13,443.88 = 5,266.41/x
  3. Step 3: Cross multiply
    8,961.07x = 13,443.88 × 5,266.41
  4. Step 4: Simplify right side
    8,961.07x = 70,800,984.07
  5. Step 5: Solve for x
    x = 70,800,984.07/8,961.07
  6. Step 6: Final answer
    x = 7,900.95

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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.