Home / 12,398.82-17,110.50-6,733.62

Finding the Fourth Proportional to 12,398.82, 17,110.50 and 6,733.62

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Solution

The fourth proportional to 12,398.82, 17,110.50 and 6,733.62 is: 9,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.82 : 17,110.50 = 6,733.62 : x
  2. Step 2: Convert to fraction form
    12,398.82/17,110.50 = 6,733.62/x
  3. Step 3: Cross multiply
    12,398.82x = 17,110.50 × 6,733.62
  4. Step 4: Simplify right side
    12,398.82x = 115,215,605.01
  5. Step 5: Solve for x
    x = 115,215,605.01/12,398.82
  6. Step 6: Final answer
    x = 9,292.47

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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.