Home / 11,925.20-17,884.37-4,809.44

Finding the Fourth Proportional to 11,925.20, 17,884.37 and 4,809.44

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Solution

The fourth proportional to 11,925.20, 17,884.37 and 4,809.44 is: 7,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.20 : 17,884.37 = 4,809.44 : x
  2. Step 2: Convert to fraction form
    11,925.20/17,884.37 = 4,809.44/x
  3. Step 3: Cross multiply
    11,925.20x = 17,884.37 × 4,809.44
  4. Step 4: Simplify right side
    11,925.20x = 86,013,690.98
  5. Step 5: Solve for x
    x = 86,013,690.98/11,925.20
  6. Step 6: Final answer
    x = 7,212.77

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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.