Home / 7,372.87-10,172.82-4,186.23

Finding the Fourth Proportional to 7,372.87, 10,172.82 and 4,186.23

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Solution

The fourth proportional to 7,372.87, 10,172.82 and 4,186.23 is: 5,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.87 : 10,172.82 = 4,186.23 : x
  2. Step 2: Convert to fraction form
    7,372.87/10,172.82 = 4,186.23/x
  3. Step 3: Cross multiply
    7,372.87x = 10,172.82 × 4,186.23
  4. Step 4: Simplify right side
    7,372.87x = 42,585,763.72
  5. Step 5: Solve for x
    x = 42,585,763.72/7,372.87
  6. Step 6: Final answer
    x = 5,776.01

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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.