Home / 12,886.07-17,772.92-11,096.65

Finding the Fourth Proportional to 12,886.07, 17,772.92 and 11,096.65

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Solution

The fourth proportional to 12,886.07, 17,772.92 and 11,096.65 is: 15,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.07 : 17,772.92 = 11,096.65 : x
  2. Step 2: Convert to fraction form
    12,886.07/17,772.92 = 11,096.65/x
  3. Step 3: Cross multiply
    12,886.07x = 17,772.92 × 11,096.65
  4. Step 4: Simplify right side
    12,886.07x = 197,219,783.85
  5. Step 5: Solve for x
    x = 197,219,783.85/12,886.07
  6. Step 6: Final answer
    x = 15,304.88

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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.