Home / 10,236.99-15,348.74-3,997.70

Finding the Fourth Proportional to 10,236.99, 15,348.74 and 3,997.70

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Solution

The fourth proportional to 10,236.99, 15,348.74 and 3,997.70 is: 5,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.99 : 15,348.74 = 3,997.70 : x
  2. Step 2: Convert to fraction form
    10,236.99/15,348.74 = 3,997.70/x
  3. Step 3: Cross multiply
    10,236.99x = 15,348.74 × 3,997.70
  4. Step 4: Simplify right side
    10,236.99x = 61,359,561.17
  5. Step 5: Solve for x
    x = 61,359,561.17/10,236.99
  6. Step 6: Final answer
    x = 5,993.91

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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.