Home / 11,252.35-16,878.93-4,231.72

Finding the Fourth Proportional to 11,252.35, 16,878.93 and 4,231.72

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Solution

The fourth proportional to 11,252.35, 16,878.93 and 4,231.72 is: 6,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.35 : 16,878.93 = 4,231.72 : x
  2. Step 2: Convert to fraction form
    11,252.35/16,878.93 = 4,231.72/x
  3. Step 3: Cross multiply
    11,252.35x = 16,878.93 × 4,231.72
  4. Step 4: Simplify right side
    11,252.35x = 71,426,905.66
  5. Step 5: Solve for x
    x = 71,426,905.66/11,252.35
  6. Step 6: Final answer
    x = 6,347.73

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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.