Home / 8,371.45-11,552.82-4,737.20

Finding the Fourth Proportional to 8,371.45, 11,552.82 and 4,737.20

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Solution

The fourth proportional to 8,371.45, 11,552.82 and 4,737.20 is: 6,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.45 : 11,552.82 = 4,737.20 : x
  2. Step 2: Convert to fraction form
    8,371.45/11,552.82 = 4,737.20/x
  3. Step 3: Cross multiply
    8,371.45x = 11,552.82 × 4,737.20
  4. Step 4: Simplify right side
    8,371.45x = 54,728,018.90
  5. Step 5: Solve for x
    x = 54,728,018.90/8,371.45
  6. Step 6: Final answer
    x = 6,537.46

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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.