Home / 7,617.24-11,431.63-3,237.77

Finding the Fourth Proportional to 7,617.24, 11,431.63 and 3,237.77

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Solution

The fourth proportional to 7,617.24, 11,431.63 and 3,237.77 is: 4,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.24 : 11,431.63 = 3,237.77 : x
  2. Step 2: Convert to fraction form
    7,617.24/11,431.63 = 3,237.77/x
  3. Step 3: Cross multiply
    7,617.24x = 11,431.63 × 3,237.77
  4. Step 4: Simplify right side
    7,617.24x = 37,013,021.29
  5. Step 5: Solve for x
    x = 37,013,021.29/7,617.24
  6. Step 6: Final answer
    x = 4,859.11

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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.