Home / 10,237.40-15,352.82-3,995.90

Finding the Fourth Proportional to 10,237.40, 15,352.82 and 3,995.90

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Solution

The fourth proportional to 10,237.40, 15,352.82 and 3,995.90 is: 5,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.40 : 15,352.82 = 3,995.90 : x
  2. Step 2: Convert to fraction form
    10,237.40/15,352.82 = 3,995.90/x
  3. Step 3: Cross multiply
    10,237.40x = 15,352.82 × 3,995.90
  4. Step 4: Simplify right side
    10,237.40x = 61,348,236.69
  5. Step 5: Solve for x
    x = 61,348,236.69/10,237.40
  6. Step 6: Final answer
    x = 5,992.56

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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.