Home / 11,725.11-17,599.82-7,856.55

Finding the Fourth Proportional to 11,725.11, 17,599.82 and 7,856.55

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Solution

The fourth proportional to 11,725.11, 17,599.82 and 7,856.55 is: 11,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.11 : 17,599.82 = 7,856.55 : x
  2. Step 2: Convert to fraction form
    11,725.11/17,599.82 = 7,856.55/x
  3. Step 3: Cross multiply
    11,725.11x = 17,599.82 × 7,856.55
  4. Step 4: Simplify right side
    11,725.11x = 138,273,826.54
  5. Step 5: Solve for x
    x = 138,273,826.54/11,725.11
  6. Step 6: Final answer
    x = 11,792.97

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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.