Home / 12,549.84-17,318.46-7,245.54

Finding the Fourth Proportional to 12,549.84, 17,318.46 and 7,245.54

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Solution

The fourth proportional to 12,549.84, 17,318.46 and 7,245.54 is: 9,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.84 : 17,318.46 = 7,245.54 : x
  2. Step 2: Convert to fraction form
    12,549.84/17,318.46 = 7,245.54/x
  3. Step 3: Cross multiply
    12,549.84x = 17,318.46 × 7,245.54
  4. Step 4: Simplify right side
    12,549.84x = 125,481,594.67
  5. Step 5: Solve for x
    x = 125,481,594.67/12,549.84
  6. Step 6: Final answer
    x = 9,998.66

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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.