Home / 11,149.92-15,295.50-10,479.24

Finding the Fourth Proportional to 11,149.92, 15,295.50 and 10,479.24

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Solution

The fourth proportional to 11,149.92, 15,295.50 and 10,479.24 is: 14,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.92 : 15,295.50 = 10,479.24 : x
  2. Step 2: Convert to fraction form
    11,149.92/15,295.50 = 10,479.24/x
  3. Step 3: Cross multiply
    11,149.92x = 15,295.50 × 10,479.24
  4. Step 4: Simplify right side
    11,149.92x = 160,285,215.42
  5. Step 5: Solve for x
    x = 160,285,215.42/11,149.92
  6. Step 6: Final answer
    x = 14,375.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.