Home / 11,675.20-17,510.63-3,881.92

Finding the Fourth Proportional to 11,675.20, 17,510.63 and 3,881.92

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Solution

The fourth proportional to 11,675.20, 17,510.63 and 3,881.92 is: 5,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.20 : 17,510.63 = 3,881.92 : x
  2. Step 2: Convert to fraction form
    11,675.20/17,510.63 = 3,881.92/x
  3. Step 3: Cross multiply
    11,675.20x = 17,510.63 × 3,881.92
  4. Step 4: Simplify right side
    11,675.20x = 67,974,777.26
  5. Step 5: Solve for x
    x = 67,974,777.26/11,675.20
  6. Step 6: Final answer
    x = 5,822.15

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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.