Home / 11,531.60-17,291.20-3,632.64

Finding the Fourth Proportional to 11,531.60, 17,291.20 and 3,632.64

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Solution

The fourth proportional to 11,531.60, 17,291.20 and 3,632.64 is: 5,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.60 : 17,291.20 = 3,632.64 : x
  2. Step 2: Convert to fraction form
    11,531.60/17,291.20 = 3,632.64/x
  3. Step 3: Cross multiply
    11,531.60x = 17,291.20 × 3,632.64
  4. Step 4: Simplify right side
    11,531.60x = 62,812,704.77
  5. Step 5: Solve for x
    x = 62,812,704.77/11,531.60
  6. Step 6: Final answer
    x = 5,447.01

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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.