Home / 10,725.60-16,093.20-4,879.20

Finding the Fourth Proportional to 10,725.60, 16,093.20 and 4,879.20

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Solution

The fourth proportional to 10,725.60, 16,093.20 and 4,879.20 is: 7,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.60 : 16,093.20 = 4,879.20 : x
  2. Step 2: Convert to fraction form
    10,725.60/16,093.20 = 4,879.20/x
  3. Step 3: Cross multiply
    10,725.60x = 16,093.20 × 4,879.20
  4. Step 4: Simplify right side
    10,725.60x = 78,521,941.44
  5. Step 5: Solve for x
    x = 78,521,941.44/10,725.60
  6. Step 6: Final answer
    x = 7,320.98

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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.