Home / 11,291.39-16,947.60-5,748.89

Finding the Fourth Proportional to 11,291.39, 16,947.60 and 5,748.89

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Solution

The fourth proportional to 11,291.39, 16,947.60 and 5,748.89 is: 8,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.39 : 16,947.60 = 5,748.89 : x
  2. Step 2: Convert to fraction form
    11,291.39/16,947.60 = 5,748.89/x
  3. Step 3: Cross multiply
    11,291.39x = 16,947.60 × 5,748.89
  4. Step 4: Simplify right side
    11,291.39x = 97,429,781.87
  5. Step 5: Solve for x
    x = 97,429,781.87/11,291.39
  6. Step 6: Final answer
    x = 8,628.68

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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.