Home / 12,474.24-17,213.28-7,754.88

Finding the Fourth Proportional to 12,474.24, 17,213.28 and 7,754.88

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Solution

The fourth proportional to 12,474.24, 17,213.28 and 7,754.88 is: 10,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.24 : 17,213.28 = 7,754.88 : x
  2. Step 2: Convert to fraction form
    12,474.24/17,213.28 = 7,754.88/x
  3. Step 3: Cross multiply
    12,474.24x = 17,213.28 × 7,754.88
  4. Step 4: Simplify right side
    12,474.24x = 133,486,920.81
  5. Step 5: Solve for x
    x = 133,486,920.81/12,474.24
  6. Step 6: Final answer
    x = 10,701.01

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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.