Home / 17,008.28-25,512.69-6,478.89

Finding the Fourth Proportional to 17,008.28, 25,512.69 and 6,478.89

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Solution

The fourth proportional to 17,008.28, 25,512.69 and 6,478.89 is: 9,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.28 : 25,512.69 = 6,478.89 : x
  2. Step 2: Convert to fraction form
    17,008.28/25,512.69 = 6,478.89/x
  3. Step 3: Cross multiply
    17,008.28x = 25,512.69 × 6,478.89
  4. Step 4: Simplify right side
    17,008.28x = 165,293,912.11
  5. Step 5: Solve for x
    x = 165,293,912.11/17,008.28
  6. Step 6: Final answer
    x = 9,718.44

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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.