Home / 11,417.57-17,118.29-4,391.68

Finding the Fourth Proportional to 11,417.57, 17,118.29 and 4,391.68

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Solution

The fourth proportional to 11,417.57, 17,118.29 and 4,391.68 is: 6,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.57 : 17,118.29 = 4,391.68 : x
  2. Step 2: Convert to fraction form
    11,417.57/17,118.29 = 4,391.68/x
  3. Step 3: Cross multiply
    11,417.57x = 17,118.29 × 4,391.68
  4. Step 4: Simplify right side
    11,417.57x = 75,178,020.01
  5. Step 5: Solve for x
    x = 75,178,020.01/11,417.57
  6. Step 6: Final answer
    x = 6,584.42

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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.