Home / 11,142.60-16,708.98-3,349.92

Finding the Fourth Proportional to 11,142.60, 16,708.98 and 3,349.92

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Solution

The fourth proportional to 11,142.60, 16,708.98 and 3,349.92 is: 5,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.60 : 16,708.98 = 3,349.92 : x
  2. Step 2: Convert to fraction form
    11,142.60/16,708.98 = 3,349.92/x
  3. Step 3: Cross multiply
    11,142.60x = 16,708.98 × 3,349.92
  4. Step 4: Simplify right side
    11,142.60x = 55,973,746.28
  5. Step 5: Solve for x
    x = 55,973,746.28/11,142.60
  6. Step 6: Final answer
    x = 5,023.40

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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.