Home / 7,562.24-11,342.72-2,631.36

Finding the Fourth Proportional to 7,562.24, 11,342.72 and 2,631.36

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Solution

The fourth proportional to 7,562.24, 11,342.72 and 2,631.36 is: 3,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.24 : 11,342.72 = 2,631.36 : x
  2. Step 2: Convert to fraction form
    7,562.24/11,342.72 = 2,631.36/x
  3. Step 3: Cross multiply
    7,562.24x = 11,342.72 × 2,631.36
  4. Step 4: Simplify right side
    7,562.24x = 29,846,779.70
  5. Step 5: Solve for x
    x = 29,846,779.70/7,562.24
  6. Step 6: Final answer
    x = 3,946.82

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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.