Home / 7,431.43-10,247.72-5,192.49

Finding the Fourth Proportional to 7,431.43, 10,247.72 and 5,192.49

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Solution

The fourth proportional to 7,431.43, 10,247.72 and 5,192.49 is: 7,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.43 : 10,247.72 = 5,192.49 : x
  2. Step 2: Convert to fraction form
    7,431.43/10,247.72 = 5,192.49/x
  3. Step 3: Cross multiply
    7,431.43x = 10,247.72 × 5,192.49
  4. Step 4: Simplify right side
    7,431.43x = 53,211,186.87
  5. Step 5: Solve for x
    x = 53,211,186.87/7,431.43
  6. Step 6: Final answer
    x = 7,160.29

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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.