Home / 8,584.43-12,852.32-5,456.66

Finding the Fourth Proportional to 8,584.43, 12,852.32 and 5,456.66

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Solution

The fourth proportional to 8,584.43, 12,852.32 and 5,456.66 is: 8,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.43 : 12,852.32 = 5,456.66 : x
  2. Step 2: Convert to fraction form
    8,584.43/12,852.32 = 5,456.66/x
  3. Step 3: Cross multiply
    8,584.43x = 12,852.32 × 5,456.66
  4. Step 4: Simplify right side
    8,584.43x = 70,130,648.91
  5. Step 5: Solve for x
    x = 70,130,648.91/8,584.43
  6. Step 6: Final answer
    x = 8,169.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.