Home / 11,561.60-17,345.20-3,353.60

Finding the Fourth Proportional to 11,561.60, 17,345.20 and 3,353.60

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Solution

The fourth proportional to 11,561.60, 17,345.20 and 3,353.60 is: 5,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.60 : 17,345.20 = 3,353.60 : x
  2. Step 2: Convert to fraction form
    11,561.60/17,345.20 = 3,353.60/x
  3. Step 3: Cross multiply
    11,561.60x = 17,345.20 × 3,353.60
  4. Step 4: Simplify right side
    11,561.60x = 58,168,862.72
  5. Step 5: Solve for x
    x = 58,168,862.72/11,561.60
  6. Step 6: Final answer
    x = 5,031.21

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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.