Home / 11,257.60-16,880.73-3,465.40

Finding the Fourth Proportional to 11,257.60, 16,880.73 and 3,465.40

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Solution

The fourth proportional to 11,257.60, 16,880.73 and 3,465.40 is: 5,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.60 : 16,880.73 = 3,465.40 : x
  2. Step 2: Convert to fraction form
    11,257.60/16,880.73 = 3,465.40/x
  3. Step 3: Cross multiply
    11,257.60x = 16,880.73 × 3,465.40
  4. Step 4: Simplify right side
    11,257.60x = 58,498,481.74
  5. Step 5: Solve for x
    x = 58,498,481.74/11,257.60
  6. Step 6: Final answer
    x = 5,196.35

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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.