Home / 11,715.94-17,561.40-5,468.68

Finding the Fourth Proportional to 11,715.94, 17,561.40 and 5,468.68

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Solution

The fourth proportional to 11,715.94, 17,561.40 and 5,468.68 is: 8,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.94 : 17,561.40 = 5,468.68 : x
  2. Step 2: Convert to fraction form
    11,715.94/17,561.40 = 5,468.68/x
  3. Step 3: Cross multiply
    11,715.94x = 17,561.40 × 5,468.68
  4. Step 4: Simplify right side
    11,715.94x = 96,037,676.95
  5. Step 5: Solve for x
    x = 96,037,676.95/11,715.94
  6. Step 6: Final answer
    x = 8,197.18

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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.