Home / 7,916.24-11,872.60-3,530.90

Finding the Fourth Proportional to 7,916.24, 11,872.60 and 3,530.90

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Solution

The fourth proportional to 7,916.24, 11,872.60 and 3,530.90 is: 5,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.24 : 11,872.60 = 3,530.90 : x
  2. Step 2: Convert to fraction form
    7,916.24/11,872.60 = 3,530.90/x
  3. Step 3: Cross multiply
    7,916.24x = 11,872.60 × 3,530.90
  4. Step 4: Simplify right side
    7,916.24x = 41,920,895.15
  5. Step 5: Solve for x
    x = 41,920,895.15/7,916.24
  6. Step 6: Final answer
    x = 5,295.56

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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.