Home / 11,558.92-17,348.12-4,990.08

Finding the Fourth Proportional to 11,558.92, 17,348.12 and 4,990.08

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Solution

The fourth proportional to 11,558.92, 17,348.12 and 4,990.08 is: 7,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.92 : 17,348.12 = 4,990.08 : x
  2. Step 2: Convert to fraction form
    11,558.92/17,348.12 = 4,990.08/x
  3. Step 3: Cross multiply
    11,558.92x = 17,348.12 × 4,990.08
  4. Step 4: Simplify right side
    11,558.92x = 86,568,506.65
  5. Step 5: Solve for x
    x = 86,568,506.65/11,558.92
  6. Step 6: Final answer
    x = 7,489.32

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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.