Home / 11,631.21-17,448-3,731.76

Finding the Fourth Proportional to 11,631.21, 17,448 and 3,731.76

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Solution

The fourth proportional to 11,631.21, 17,448 and 3,731.76 is: 5,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.21 : 17,448 = 3,731.76 : x
  2. Step 2: Convert to fraction form
    11,631.21/17,448 = 3,731.76/x
  3. Step 3: Cross multiply
    11,631.21x = 17,448 × 3,731.76
  4. Step 4: Simplify right side
    11,631.21x = 65,111,748.48
  5. Step 5: Solve for x
    x = 65,111,748.48/11,631.21
  6. Step 6: Final answer
    x = 5,598.02

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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.