Home / 17,007.79-25,511.94-6,478.39

Finding the Fourth Proportional to 17,007.79, 25,511.94 and 6,478.39

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Solution

The fourth proportional to 17,007.79, 25,511.94 and 6,478.39 is: 9,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.79 : 25,511.94 = 6,478.39 : x
  2. Step 2: Convert to fraction form
    17,007.79/25,511.94 = 6,478.39/x
  3. Step 3: Cross multiply
    17,007.79x = 25,511.94 × 6,478.39
  4. Step 4: Simplify right side
    17,007.79x = 165,276,296.98
  5. Step 5: Solve for x
    x = 165,276,296.98/17,007.79
  6. Step 6: Final answer
    x = 9,717.68

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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.