Home / 11,527.73-15,899.78-7,943.88

Finding the Fourth Proportional to 11,527.73, 15,899.78 and 7,943.88

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Solution

The fourth proportional to 11,527.73, 15,899.78 and 7,943.88 is: 10,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.73 : 15,899.78 = 7,943.88 : x
  2. Step 2: Convert to fraction form
    11,527.73/15,899.78 = 7,943.88/x
  3. Step 3: Cross multiply
    11,527.73x = 15,899.78 × 7,943.88
  4. Step 4: Simplify right side
    11,527.73x = 126,305,904.63
  5. Step 5: Solve for x
    x = 126,305,904.63/11,527.73
  6. Step 6: Final answer
    x = 10,956.71

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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.