Home / 10,426.12-15,636.38-4,874.04

Finding the Fourth Proportional to 10,426.12, 15,636.38 and 4,874.04

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Solution

The fourth proportional to 10,426.12, 15,636.38 and 4,874.04 is: 7,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.12 : 15,636.38 = 4,874.04 : x
  2. Step 2: Convert to fraction form
    10,426.12/15,636.38 = 4,874.04/x
  3. Step 3: Cross multiply
    10,426.12x = 15,636.38 × 4,874.04
  4. Step 4: Simplify right side
    10,426.12x = 76,212,317.21
  5. Step 5: Solve for x
    x = 76,212,317.21/10,426.12
  6. Step 6: Final answer
    x = 7,309.75

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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.