Home / 11,127.56-16,672.40-9,725.46

Finding the Fourth Proportional to 11,127.56, 16,672.40 and 9,725.46

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Solution

The fourth proportional to 11,127.56, 16,672.40 and 9,725.46 is: 14,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.56 : 16,672.40 = 9,725.46 : x
  2. Step 2: Convert to fraction form
    11,127.56/16,672.40 = 9,725.46/x
  3. Step 3: Cross multiply
    11,127.56x = 16,672.40 × 9,725.46
  4. Step 4: Simplify right side
    11,127.56x = 162,146,759.30
  5. Step 5: Solve for x
    x = 162,146,759.30/11,127.56
  6. Step 6: Final answer
    x = 14,571.64

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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.