Home / 7,344.88-10,989.72-4,372.38

Finding the Fourth Proportional to 7,344.88, 10,989.72 and 4,372.38

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Solution

The fourth proportional to 7,344.88, 10,989.72 and 4,372.38 is: 6,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.88 : 10,989.72 = 4,372.38 : x
  2. Step 2: Convert to fraction form
    7,344.88/10,989.72 = 4,372.38/x
  3. Step 3: Cross multiply
    7,344.88x = 10,989.72 × 4,372.38
  4. Step 4: Simplify right side
    7,344.88x = 48,051,231.93
  5. Step 5: Solve for x
    x = 48,051,231.93/7,344.88
  6. Step 6: Final answer
    x = 6,542.14

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1.5x scale

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.