Home / 11,235.45-16,853.44-2,915.80

Finding the Fourth Proportional to 11,235.45, 16,853.44 and 2,915.80

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Solution

The fourth proportional to 11,235.45, 16,853.44 and 2,915.80 is: 4,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.45 : 16,853.44 = 2,915.80 : x
  2. Step 2: Convert to fraction form
    11,235.45/16,853.44 = 2,915.80/x
  3. Step 3: Cross multiply
    11,235.45x = 16,853.44 × 2,915.80
  4. Step 4: Simplify right side
    11,235.45x = 49,141,221.86
  5. Step 5: Solve for x
    x = 49,141,221.86/11,235.45
  6. Step 6: Final answer
    x = 4,373.76

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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.