Home / 11,415.87-17,126.52-3,624.69

Finding the Fourth Proportional to 11,415.87, 17,126.52 and 3,624.69

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Solution

The fourth proportional to 11,415.87, 17,126.52 and 3,624.69 is: 5,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.87 : 17,126.52 = 3,624.69 : x
  2. Step 2: Convert to fraction form
    11,415.87/17,126.52 = 3,624.69/x
  3. Step 3: Cross multiply
    11,415.87x = 17,126.52 × 3,624.69
  4. Step 4: Simplify right side
    11,415.87x = 62,078,325.78
  5. Step 5: Solve for x
    x = 62,078,325.78/11,415.87
  6. Step 6: Final answer
    x = 5,437.90

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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.