Home / 7,762.24-11,643.48-4,321.36

Finding the Fourth Proportional to 7,762.24, 11,643.48 and 4,321.36

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Solution

The fourth proportional to 7,762.24, 11,643.48 and 4,321.36 is: 6,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.24 : 11,643.48 = 4,321.36 : x
  2. Step 2: Convert to fraction form
    7,762.24/11,643.48 = 4,321.36/x
  3. Step 3: Cross multiply
    7,762.24x = 11,643.48 × 4,321.36
  4. Step 4: Simplify right side
    7,762.24x = 50,315,668.73
  5. Step 5: Solve for x
    x = 50,315,668.73/7,762.24
  6. Step 6: Final answer
    x = 6,482.11

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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.