Home / 12,744.12-17,584.92-7,292.76

Finding the Fourth Proportional to 12,744.12, 17,584.92 and 7,292.76

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Solution

The fourth proportional to 12,744.12, 17,584.92 and 7,292.76 is: 10,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.12 : 17,584.92 = 7,292.76 : x
  2. Step 2: Convert to fraction form
    12,744.12/17,584.92 = 7,292.76/x
  3. Step 3: Cross multiply
    12,744.12x = 17,584.92 × 7,292.76
  4. Step 4: Simplify right side
    12,744.12x = 128,242,601.18
  5. Step 5: Solve for x
    x = 128,242,601.18/12,744.12
  6. Step 6: Final answer
    x = 10,062.88

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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.