Home / 8,509.38-11,742.96-4,732.79

Finding the Fourth Proportional to 8,509.38, 11,742.96 and 4,732.79

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Solution

The fourth proportional to 8,509.38, 11,742.96 and 4,732.79 is: 6,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.38 : 11,742.96 = 4,732.79 : x
  2. Step 2: Convert to fraction form
    8,509.38/11,742.96 = 4,732.79/x
  3. Step 3: Cross multiply
    8,509.38x = 11,742.96 × 4,732.79
  4. Step 4: Simplify right side
    8,509.38x = 55,576,922.69
  5. Step 5: Solve for x
    x = 55,576,922.69/8,509.38
  6. Step 6: Final answer
    x = 6,531.26

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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.