Home / 7,919.24-11,880.17-3,536.53

Finding the Fourth Proportional to 7,919.24, 11,880.17 and 3,536.53

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Solution

The fourth proportional to 7,919.24, 11,880.17 and 3,536.53 is: 5,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.24 : 11,880.17 = 3,536.53 : x
  2. Step 2: Convert to fraction form
    7,919.24/11,880.17 = 3,536.53/x
  3. Step 3: Cross multiply
    7,919.24x = 11,880.17 × 3,536.53
  4. Step 4: Simplify right side
    7,919.24x = 42,014,543.49
  5. Step 5: Solve for x
    x = 42,014,543.49/7,919.24
  6. Step 6: Final answer
    x = 5,305.38

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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.