Home / 10,007.22-15,012.87-3,433.92

Finding the Fourth Proportional to 10,007.22, 15,012.87 and 3,433.92

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Solution

The fourth proportional to 10,007.22, 15,012.87 and 3,433.92 is: 5,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.22 : 15,012.87 = 3,433.92 : x
  2. Step 2: Convert to fraction form
    10,007.22/15,012.87 = 3,433.92/x
  3. Step 3: Cross multiply
    10,007.22x = 15,012.87 × 3,433.92
  4. Step 4: Simplify right side
    10,007.22x = 51,552,994.55
  5. Step 5: Solve for x
    x = 51,552,994.55/10,007.22
  6. Step 6: Final answer
    x = 5,151.58

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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.