Home / 11,956.56-17,945.28-6,116.40

Finding the Fourth Proportional to 11,956.56, 17,945.28 and 6,116.40

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Solution

The fourth proportional to 11,956.56, 17,945.28 and 6,116.40 is: 9,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.56 : 17,945.28 = 6,116.40 : x
  2. Step 2: Convert to fraction form
    11,956.56/17,945.28 = 6,116.40/x
  3. Step 3: Cross multiply
    11,956.56x = 17,945.28 × 6,116.40
  4. Step 4: Simplify right side
    11,956.56x = 109,760,510.59
  5. Step 5: Solve for x
    x = 109,760,510.59/11,956.56
  6. Step 6: Final answer
    x = 9,179.94

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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.