Home / 7,475.06-11,217.45-2,858.06

Finding the Fourth Proportional to 7,475.06, 11,217.45 and 2,858.06

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Solution

The fourth proportional to 7,475.06, 11,217.45 and 2,858.06 is: 4,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.06 : 11,217.45 = 2,858.06 : x
  2. Step 2: Convert to fraction form
    7,475.06/11,217.45 = 2,858.06/x
  3. Step 3: Cross multiply
    7,475.06x = 11,217.45 × 2,858.06
  4. Step 4: Simplify right side
    7,475.06x = 32,060,183.91
  5. Step 5: Solve for x
    x = 32,060,183.91/7,475.06
  6. Step 6: Final answer
    x = 4,288.95

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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.