Home / 11,751.79-17,632.30-5,173.36

Finding the Fourth Proportional to 11,751.79, 17,632.30 and 5,173.36

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Solution

The fourth proportional to 11,751.79, 17,632.30 and 5,173.36 is: 7,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.79 : 17,632.30 = 5,173.36 : x
  2. Step 2: Convert to fraction form
    11,751.79/17,632.30 = 5,173.36/x
  3. Step 3: Cross multiply
    11,751.79x = 17,632.30 × 5,173.36
  4. Step 4: Simplify right side
    11,751.79x = 91,218,235.53
  5. Step 5: Solve for x
    x = 91,218,235.53/11,751.79
  6. Step 6: Final answer
    x = 7,762.07

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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.