Home / 8,527.21-11,769.37-5,731.09

Finding the Fourth Proportional to 8,527.21, 11,769.37 and 5,731.09

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Solution

The fourth proportional to 8,527.21, 11,769.37 and 5,731.09 is: 7,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.21 : 11,769.37 = 5,731.09 : x
  2. Step 2: Convert to fraction form
    8,527.21/11,769.37 = 5,731.09/x
  3. Step 3: Cross multiply
    8,527.21x = 11,769.37 × 5,731.09
  4. Step 4: Simplify right side
    8,527.21x = 67,451,318.71
  5. Step 5: Solve for x
    x = 67,451,318.71/8,527.21
  6. Step 6: Final answer
    x = 7,910.13

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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.