Home / 11,715.86-17,576.36-3,396.21

Finding the Fourth Proportional to 11,715.86, 17,576.36 and 3,396.21

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Solution

The fourth proportional to 11,715.86, 17,576.36 and 3,396.21 is: 5,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.86 : 17,576.36 = 3,396.21 : x
  2. Step 2: Convert to fraction form
    11,715.86/17,576.36 = 3,396.21/x
  3. Step 3: Cross multiply
    11,715.86x = 17,576.36 × 3,396.21
  4. Step 4: Simplify right side
    11,715.86x = 59,692,992.61
  5. Step 5: Solve for x
    x = 59,692,992.61/11,715.86
  6. Step 6: Final answer
    x = 5,095.06

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1.5x scale

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.