Home / 8,340.46-11,503.42-5,821.77

Finding the Fourth Proportional to 8,340.46, 11,503.42 and 5,821.77

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Solution

The fourth proportional to 8,340.46, 11,503.42 and 5,821.77 is: 8,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.46 : 11,503.42 = 5,821.77 : x
  2. Step 2: Convert to fraction form
    8,340.46/11,503.42 = 5,821.77/x
  3. Step 3: Cross multiply
    8,340.46x = 11,503.42 × 5,821.77
  4. Step 4: Simplify right side
    8,340.46x = 66,970,265.45
  5. Step 5: Solve for x
    x = 66,970,265.45/8,340.46
  6. Step 6: Final answer
    x = 8,029.56

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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.