Home / 12,474.69-17,217.96-8,226.51

Finding the Fourth Proportional to 12,474.69, 17,217.96 and 8,226.51

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Solution

The fourth proportional to 12,474.69, 17,217.96 and 8,226.51 is: 11,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.69 : 17,217.96 = 8,226.51 : x
  2. Step 2: Convert to fraction form
    12,474.69/17,217.96 = 8,226.51/x
  3. Step 3: Cross multiply
    12,474.69x = 17,217.96 × 8,226.51
  4. Step 4: Simplify right side
    12,474.69x = 141,643,678.99
  5. Step 5: Solve for x
    x = 141,643,678.99/12,474.69
  6. Step 6: Final answer
    x = 11,354.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.