Home / 11,322.82-16,962.13-7,415.38

Finding the Fourth Proportional to 11,322.82, 16,962.13 and 7,415.38

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Solution

The fourth proportional to 11,322.82, 16,962.13 and 7,415.38 is: 11,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.82 : 16,962.13 = 7,415.38 : x
  2. Step 2: Convert to fraction form
    11,322.82/16,962.13 = 7,415.38/x
  3. Step 3: Cross multiply
    11,322.82x = 16,962.13 × 7,415.38
  4. Step 4: Simplify right side
    11,322.82x = 125,780,639.56
  5. Step 5: Solve for x
    x = 125,780,639.56/11,322.82
  6. Step 6: Final answer
    x = 11,108.60

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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.