Home / 8,821.29-12,166.96-5,839.68

Finding the Fourth Proportional to 8,821.29, 12,166.96 and 5,839.68

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Solution

The fourth proportional to 8,821.29, 12,166.96 and 5,839.68 is: 8,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.29 : 12,166.96 = 5,839.68 : x
  2. Step 2: Convert to fraction form
    8,821.29/12,166.96 = 5,839.68/x
  3. Step 3: Cross multiply
    8,821.29x = 12,166.96 × 5,839.68
  4. Step 4: Simplify right side
    8,821.29x = 71,051,152.97
  5. Step 5: Solve for x
    x = 71,051,152.97/8,821.29
  6. Step 6: Final answer
    x = 8,054.51

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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.