Home / 7,622.26-11,430.69-3,458.77

Finding the Fourth Proportional to 7,622.26, 11,430.69 and 3,458.77

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Solution

The fourth proportional to 7,622.26, 11,430.69 and 3,458.77 is: 5,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.26 : 11,430.69 = 3,458.77 : x
  2. Step 2: Convert to fraction form
    7,622.26/11,430.69 = 3,458.77/x
  3. Step 3: Cross multiply
    7,622.26x = 11,430.69 × 3,458.77
  4. Step 4: Simplify right side
    7,622.26x = 39,536,127.65
  5. Step 5: Solve for x
    x = 39,536,127.65/7,622.26
  6. Step 6: Final answer
    x = 5,186.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.