Home / 8,521.48-11,761.14-4,986.52

Finding the Fourth Proportional to 8,521.48, 11,761.14 and 4,986.52

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Solution

The fourth proportional to 8,521.48, 11,761.14 and 4,986.52 is: 6,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.48 : 11,761.14 = 4,986.52 : x
  2. Step 2: Convert to fraction form
    8,521.48/11,761.14 = 4,986.52/x
  3. Step 3: Cross multiply
    8,521.48x = 11,761.14 × 4,986.52
  4. Step 4: Simplify right side
    8,521.48x = 58,647,159.83
  5. Step 5: Solve for x
    x = 58,647,159.83/8,521.48
  6. Step 6: Final answer
    x = 6,882.27

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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.