Home / 11,904.63-17,855.57-4,788.60

Finding the Fourth Proportional to 11,904.63, 17,855.57 and 4,788.60

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Solution

The fourth proportional to 11,904.63, 17,855.57 and 4,788.60 is: 7,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.63 : 17,855.57 = 4,788.60 : x
  2. Step 2: Convert to fraction form
    11,904.63/17,855.57 = 4,788.60/x
  3. Step 3: Cross multiply
    11,904.63x = 17,855.57 × 4,788.60
  4. Step 4: Simplify right side
    11,904.63x = 85,503,069.28
  5. Step 5: Solve for x
    x = 85,503,069.28/11,904.63
  6. Step 6: Final answer
    x = 7,182.34

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1.5x scale

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.