Home / 11,221.74-16,823.43-4,644.36

Finding the Fourth Proportional to 11,221.74, 16,823.43 and 4,644.36

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Solution

The fourth proportional to 11,221.74, 16,823.43 and 4,644.36 is: 6,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.74 : 16,823.43 = 4,644.36 : x
  2. Step 2: Convert to fraction form
    11,221.74/16,823.43 = 4,644.36/x
  3. Step 3: Cross multiply
    11,221.74x = 16,823.43 × 4,644.36
  4. Step 4: Simplify right side
    11,221.74x = 78,134,065.35
  5. Step 5: Solve for x
    x = 78,134,065.35/11,221.74
  6. Step 6: Final answer
    x = 6,962.74

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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.