Home / 11,718.53-17,580.03-4,323.56

Finding the Fourth Proportional to 11,718.53, 17,580.03 and 4,323.56

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Solution

The fourth proportional to 11,718.53, 17,580.03 and 4,323.56 is: 6,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.53 : 17,580.03 = 4,323.56 : x
  2. Step 2: Convert to fraction form
    11,718.53/17,580.03 = 4,323.56/x
  3. Step 3: Cross multiply
    11,718.53x = 17,580.03 × 4,323.56
  4. Step 4: Simplify right side
    11,718.53x = 76,008,292.89
  5. Step 5: Solve for x
    x = 76,008,292.89/11,718.53
  6. Step 6: Final answer
    x = 6,486.17

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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.