Home / 7,132.80-9,839.99-4,615.73

Finding the Fourth Proportional to 7,132.80, 9,839.99 and 4,615.73

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Solution

The fourth proportional to 7,132.80, 9,839.99 and 4,615.73 is: 6,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.80 : 9,839.99 = 4,615.73 : x
  2. Step 2: Convert to fraction form
    7,132.80/9,839.99 = 4,615.73/x
  3. Step 3: Cross multiply
    7,132.80x = 9,839.99 × 4,615.73
  4. Step 4: Simplify right side
    7,132.80x = 45,418,737.04
  5. Step 5: Solve for x
    x = 45,418,737.04/7,132.80
  6. Step 6: Final answer
    x = 6,367.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.