Home / 8,541.92-12,805.68-3,607.04

Finding the Fourth Proportional to 8,541.92, 12,805.68 and 3,607.04

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Solution

The fourth proportional to 8,541.92, 12,805.68 and 3,607.04 is: 5,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.92 : 12,805.68 = 3,607.04 : x
  2. Step 2: Convert to fraction form
    8,541.92/12,805.68 = 3,607.04/x
  3. Step 3: Cross multiply
    8,541.92x = 12,805.68 × 3,607.04
  4. Step 4: Simplify right side
    8,541.92x = 46,190,599.99
  5. Step 5: Solve for x
    x = 46,190,599.99/8,541.92
  6. Step 6: Final answer
    x = 5,407.52

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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.