Home / 11,132.40-16,671.60-5,926.80

Finding the Fourth Proportional to 11,132.40, 16,671.60 and 5,926.80

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Solution

The fourth proportional to 11,132.40, 16,671.60 and 5,926.80 is: 8,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.40 : 16,671.60 = 5,926.80 : x
  2. Step 2: Convert to fraction form
    11,132.40/16,671.60 = 5,926.80/x
  3. Step 3: Cross multiply
    11,132.40x = 16,671.60 × 5,926.80
  4. Step 4: Simplify right side
    11,132.40x = 98,809,238.88
  5. Step 5: Solve for x
    x = 98,809,238.88/11,132.40
  6. Step 6: Final answer
    x = 8,875.83

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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.