Home / 11,856.26-17,770.70-4,455.98

Finding the Fourth Proportional to 11,856.26, 17,770.70 and 4,455.98

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Solution

The fourth proportional to 11,856.26, 17,770.70 and 4,455.98 is: 6,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.26 : 17,770.70 = 4,455.98 : x
  2. Step 2: Convert to fraction form
    11,856.26/17,770.70 = 4,455.98/x
  3. Step 3: Cross multiply
    11,856.26x = 17,770.70 × 4,455.98
  4. Step 4: Simplify right side
    11,856.26x = 79,185,883.79
  5. Step 5: Solve for x
    x = 79,185,883.79/11,856.26
  6. Step 6: Final answer
    x = 6,678.82

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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.