Home / 11,562.49-15,956.12-6,257.20

Finding the Fourth Proportional to 11,562.49, 15,956.12 and 6,257.20

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Solution

The fourth proportional to 11,562.49, 15,956.12 and 6,257.20 is: 8,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.49 : 15,956.12 = 6,257.20 : x
  2. Step 2: Convert to fraction form
    11,562.49/15,956.12 = 6,257.20/x
  3. Step 3: Cross multiply
    11,562.49x = 15,956.12 × 6,257.20
  4. Step 4: Simplify right side
    11,562.49x = 99,840,634.06
  5. Step 5: Solve for x
    x = 99,840,634.06/11,562.49
  6. Step 6: Final answer
    x = 8,634.87

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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.