Home / 10,911.60-16,367.40-2,703.60

Finding the Fourth Proportional to 10,911.60, 16,367.40 and 2,703.60

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Solution

The fourth proportional to 10,911.60, 16,367.40 and 2,703.60 is: 4,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.60 : 16,367.40 = 2,703.60 : x
  2. Step 2: Convert to fraction form
    10,911.60/16,367.40 = 2,703.60/x
  3. Step 3: Cross multiply
    10,911.60x = 16,367.40 × 2,703.60
  4. Step 4: Simplify right side
    10,911.60x = 44,250,902.64
  5. Step 5: Solve for x
    x = 44,250,902.64/10,911.60
  6. Step 6: Final answer
    x = 4,055.40

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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.