Home / 28,247.66-42,371.18-6,900.56

Finding the Fourth Proportional to 28,247.66, 42,371.18 and 6,900.56

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Solution

The fourth proportional to 28,247.66, 42,371.18 and 6,900.56 is: 10,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.66 : 42,371.18 = 6,900.56 : x
  2. Step 2: Convert to fraction form
    28,247.66/42,371.18 = 6,900.56/x
  3. Step 3: Cross multiply
    28,247.66x = 42,371.18 × 6,900.56
  4. Step 4: Simplify right side
    28,247.66x = 292,384,835.36
  5. Step 5: Solve for x
    x = 292,384,835.36/28,247.66
  6. Step 6: Final answer
    x = 10,350.76

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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.