Home / 8,929.22-13,393.83-3,085.88

Finding the Fourth Proportional to 8,929.22, 13,393.83 and 3,085.88

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Solution

The fourth proportional to 8,929.22, 13,393.83 and 3,085.88 is: 4,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.22 : 13,393.83 = 3,085.88 : x
  2. Step 2: Convert to fraction form
    8,929.22/13,393.83 = 3,085.88/x
  3. Step 3: Cross multiply
    8,929.22x = 13,393.83 × 3,085.88
  4. Step 4: Simplify right side
    8,929.22x = 41,331,752.12
  5. Step 5: Solve for x
    x = 41,331,752.12/8,929.22
  6. Step 6: Final answer
    x = 4,628.82

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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.