Home / 11,508.12-15,880.86-6,472.62

Finding the Fourth Proportional to 11,508.12, 15,880.86 and 6,472.62

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Solution

The fourth proportional to 11,508.12, 15,880.86 and 6,472.62 is: 8,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.12 : 15,880.86 = 6,472.62 : x
  2. Step 2: Convert to fraction form
    11,508.12/15,880.86 = 6,472.62/x
  3. Step 3: Cross multiply
    11,508.12x = 15,880.86 × 6,472.62
  4. Step 4: Simplify right side
    11,508.12x = 102,790,772.05
  5. Step 5: Solve for x
    x = 102,790,772.05/11,508.12
  6. Step 6: Final answer
    x = 8,932.02

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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.