Home / 17,208.16-25,815.60-6,115.68

Finding the Fourth Proportional to 17,208.16, 25,815.60 and 6,115.68

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Solution

The fourth proportional to 17,208.16, 25,815.60 and 6,115.68 is: 9,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,208.16 : 25,815.60 = 6,115.68 : x
  2. Step 2: Convert to fraction form
    17,208.16/25,815.60 = 6,115.68/x
  3. Step 3: Cross multiply
    17,208.16x = 25,815.60 × 6,115.68
  4. Step 4: Simplify right side
    17,208.16x = 157,879,948.61
  5. Step 5: Solve for x
    x = 157,879,948.61/17,208.16
  6. Step 6: Final answer
    x = 9,174.71

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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.