Home / 11,117.12-16,671.60-3,323.28

Finding the Fourth Proportional to 11,117.12, 16,671.60 and 3,323.28

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Solution

The fourth proportional to 11,117.12, 16,671.60 and 3,323.28 is: 4,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.12 : 16,671.60 = 3,323.28 : x
  2. Step 2: Convert to fraction form
    11,117.12/16,671.60 = 3,323.28/x
  3. Step 3: Cross multiply
    11,117.12x = 16,671.60 × 3,323.28
  4. Step 4: Simplify right side
    11,117.12x = 55,404,394.85
  5. Step 5: Solve for x
    x = 55,404,394.85/11,117.12
  6. Step 6: Final answer
    x = 4,983.70

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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.