Home / 11,502.20-15,872.96-6,466.43

Finding the Fourth Proportional to 11,502.20, 15,872.96 and 6,466.43

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Solution

The fourth proportional to 11,502.20, 15,872.96 and 6,466.43 is: 8,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.20 : 15,872.96 = 6,466.43 : x
  2. Step 2: Convert to fraction form
    11,502.20/15,872.96 = 6,466.43/x
  3. Step 3: Cross multiply
    11,502.20x = 15,872.96 × 6,466.43
  4. Step 4: Simplify right side
    11,502.20x = 102,641,440.58
  5. Step 5: Solve for x
    x = 102,641,440.58/11,502.20
  6. Step 6: Final answer
    x = 8,923.63

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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.