Home / 9,640.20-14,460.20-4,961.52

Finding the Fourth Proportional to 9,640.20, 14,460.20 and 4,961.52

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Solution

The fourth proportional to 9,640.20, 14,460.20 and 4,961.52 is: 7,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.20 : 14,460.20 = 4,961.52 : x
  2. Step 2: Convert to fraction form
    9,640.20/14,460.20 = 4,961.52/x
  3. Step 3: Cross multiply
    9,640.20x = 14,460.20 × 4,961.52
  4. Step 4: Simplify right side
    9,640.20x = 71,744,571.50
  5. Step 5: Solve for x
    x = 71,744,571.50/9,640.20
  6. Step 6: Final answer
    x = 7,442.23

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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.