Home / 11,725.74-16,180.40-6,947.55

Finding the Fourth Proportional to 11,725.74, 16,180.40 and 6,947.55

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Solution

The fourth proportional to 11,725.74, 16,180.40 and 6,947.55 is: 9,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.74 : 16,180.40 = 6,947.55 : x
  2. Step 2: Convert to fraction form
    11,725.74/16,180.40 = 6,947.55/x
  3. Step 3: Cross multiply
    11,725.74x = 16,180.40 × 6,947.55
  4. Step 4: Simplify right side
    11,725.74x = 112,414,103.28
  5. Step 5: Solve for x
    x = 112,414,103.28/11,725.74
  6. Step 6: Final answer
    x = 9,586.95

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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.