Home / 11,626.10-17,438.68-4,959.84

Finding the Fourth Proportional to 11,626.10, 17,438.68 and 4,959.84

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Solution

The fourth proportional to 11,626.10, 17,438.68 and 4,959.84 is: 7,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.10 : 17,438.68 = 4,959.84 : x
  2. Step 2: Convert to fraction form
    11,626.10/17,438.68 = 4,959.84/x
  3. Step 3: Cross multiply
    11,626.10x = 17,438.68 × 4,959.84
  4. Step 4: Simplify right side
    11,626.10x = 86,493,037.81
  5. Step 5: Solve for x
    x = 86,493,037.81/11,626.10
  6. Step 6: Final answer
    x = 7,439.56

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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.