Home / 8,577.26-11,835.06-5,174.36

Finding the Fourth Proportional to 8,577.26, 11,835.06 and 5,174.36

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Solution

The fourth proportional to 8,577.26, 11,835.06 and 5,174.36 is: 7,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.26 : 11,835.06 = 5,174.36 : x
  2. Step 2: Convert to fraction form
    8,577.26/11,835.06 = 5,174.36/x
  3. Step 3: Cross multiply
    8,577.26x = 11,835.06 × 5,174.36
  4. Step 4: Simplify right side
    8,577.26x = 61,238,861.06
  5. Step 5: Solve for x
    x = 61,238,861.06/8,577.26
  6. Step 6: Final answer
    x = 7,139.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.