Home / 11,515.85-17,262.85-4,500.37

Finding the Fourth Proportional to 11,515.85, 17,262.85 and 4,500.37

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Solution

The fourth proportional to 11,515.85, 17,262.85 and 4,500.37 is: 6,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.85 : 17,262.85 = 4,500.37 : x
  2. Step 2: Convert to fraction form
    11,515.85/17,262.85 = 4,500.37/x
  3. Step 3: Cross multiply
    11,515.85x = 17,262.85 × 4,500.37
  4. Step 4: Simplify right side
    11,515.85x = 77,689,169.81
  5. Step 5: Solve for x
    x = 77,689,169.81/11,515.85
  6. Step 6: Final answer
    x = 6,746.28

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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.