Home / 8,665.27-11,959.92-5,476.53

Finding the Fourth Proportional to 8,665.27, 11,959.92 and 5,476.53

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Solution

The fourth proportional to 8,665.27, 11,959.92 and 5,476.53 is: 7,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.27 : 11,959.92 = 5,476.53 : x
  2. Step 2: Convert to fraction form
    8,665.27/11,959.92 = 5,476.53/x
  3. Step 3: Cross multiply
    8,665.27x = 11,959.92 × 5,476.53
  4. Step 4: Simplify right side
    8,665.27x = 65,498,905.53
  5. Step 5: Solve for x
    x = 65,498,905.53/8,665.27
  6. Step 6: Final answer
    x = 7,558.79

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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.