Home / 7,427.72-10,250.52-4,283.12

Finding the Fourth Proportional to 7,427.72, 10,250.52 and 4,283.12

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Solution

The fourth proportional to 7,427.72, 10,250.52 and 4,283.12 is: 5,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.72 : 10,250.52 = 4,283.12 : x
  2. Step 2: Convert to fraction form
    7,427.72/10,250.52 = 4,283.12/x
  3. Step 3: Cross multiply
    7,427.72x = 10,250.52 × 4,283.12
  4. Step 4: Simplify right side
    7,427.72x = 43,904,207.22
  5. Step 5: Solve for x
    x = 43,904,207.22/7,427.72
  6. Step 6: Final answer
    x = 5,910.86

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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.