Home / 7,372.10-10,173.68-4,015.10

Finding the Fourth Proportional to 7,372.10, 10,173.68 and 4,015.10

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Solution

The fourth proportional to 7,372.10, 10,173.68 and 4,015.10 is: 5,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.10 : 10,173.68 = 4,015.10 : x
  2. Step 2: Convert to fraction form
    7,372.10/10,173.68 = 4,015.10/x
  3. Step 3: Cross multiply
    7,372.10x = 10,173.68 × 4,015.10
  4. Step 4: Simplify right side
    7,372.10x = 40,848,342.57
  5. Step 5: Solve for x
    x = 40,848,342.57/7,372.10
  6. Step 6: Final answer
    x = 5,540.94

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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.