Home / 10,252.20-15,383.10-5,327.40

Finding the Fourth Proportional to 10,252.20, 15,383.10 and 5,327.40

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Solution

The fourth proportional to 10,252.20, 15,383.10 and 5,327.40 is: 7,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.20 : 15,383.10 = 5,327.40 : x
  2. Step 2: Convert to fraction form
    10,252.20/15,383.10 = 5,327.40/x
  3. Step 3: Cross multiply
    10,252.20x = 15,383.10 × 5,327.40
  4. Step 4: Simplify right side
    10,252.20x = 81,951,926.94
  5. Step 5: Solve for x
    x = 81,951,926.94/10,252.20
  6. Step 6: Final answer
    x = 7,993.59

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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.