Home / 7,713.21-11,543.49-4,900.62

Finding the Fourth Proportional to 7,713.21, 11,543.49 and 4,900.62

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Solution

The fourth proportional to 7,713.21, 11,543.49 and 4,900.62 is: 7,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.21 : 11,543.49 = 4,900.62 : x
  2. Step 2: Convert to fraction form
    7,713.21/11,543.49 = 4,900.62/x
  3. Step 3: Cross multiply
    7,713.21x = 11,543.49 × 4,900.62
  4. Step 4: Simplify right side
    7,713.21x = 56,570,257.96
  5. Step 5: Solve for x
    x = 56,570,257.96/7,713.21
  6. Step 6: Final answer
    x = 7,334.20

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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.