Home / 7,620.48-11,433.28-3,000.96

Finding the Fourth Proportional to 7,620.48, 11,433.28 and 3,000.96

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Solution

The fourth proportional to 7,620.48, 11,433.28 and 3,000.96 is: 4,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.48 : 11,433.28 = 3,000.96 : x
  2. Step 2: Convert to fraction form
    7,620.48/11,433.28 = 3,000.96/x
  3. Step 3: Cross multiply
    7,620.48x = 11,433.28 × 3,000.96
  4. Step 4: Simplify right side
    7,620.48x = 34,310,815.95
  5. Step 5: Solve for x
    x = 34,310,815.95/7,620.48
  6. Step 6: Final answer
    x = 4,502.45

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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.