Home / 8,540.44-12,802.73-4,371.23

Finding the Fourth Proportional to 8,540.44, 12,802.73 and 4,371.23

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Solution

The fourth proportional to 8,540.44, 12,802.73 and 4,371.23 is: 6,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.44 : 12,802.73 = 4,371.23 : x
  2. Step 2: Convert to fraction form
    8,540.44/12,802.73 = 4,371.23/x
  3. Step 3: Cross multiply
    8,540.44x = 12,802.73 × 4,371.23
  4. Step 4: Simplify right side
    8,540.44x = 55,963,687.61
  5. Step 5: Solve for x
    x = 55,963,687.61/8,540.44
  6. Step 6: Final answer
    x = 6,552.79

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1.5x scale

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.