Home / 11,124.84-15,335.92-8,467.62

Finding the Fourth Proportional to 11,124.84, 15,335.92 and 8,467.62

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Solution

The fourth proportional to 11,124.84, 15,335.92 and 8,467.62 is: 11,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.84 : 15,335.92 = 8,467.62 : x
  2. Step 2: Convert to fraction form
    11,124.84/15,335.92 = 8,467.62/x
  3. Step 3: Cross multiply
    11,124.84x = 15,335.92 × 8,467.62
  4. Step 4: Simplify right side
    11,124.84x = 129,858,742.91
  5. Step 5: Solve for x
    x = 129,858,742.91/11,124.84
  6. Step 6: Final answer
    x = 11,672.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.