Home / 12,474.49-17,208.93-7,435.84

Finding the Fourth Proportional to 12,474.49, 17,208.93 and 7,435.84

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Solution

The fourth proportional to 12,474.49, 17,208.93 and 7,435.84 is: 10,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.49 : 17,208.93 = 7,435.84 : x
  2. Step 2: Convert to fraction form
    12,474.49/17,208.93 = 7,435.84/x
  3. Step 3: Cross multiply
    12,474.49x = 17,208.93 × 7,435.84
  4. Step 4: Simplify right side
    12,474.49x = 127,962,850.05
  5. Step 5: Solve for x
    x = 127,962,850.05/12,474.49
  6. Step 6: Final answer
    x = 10,257.96

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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.