Home / 12,253.58-18,369.25-4,456.88

Finding the Fourth Proportional to 12,253.58, 18,369.25 and 4,456.88

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Solution

The fourth proportional to 12,253.58, 18,369.25 and 4,456.88 is: 6,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.58 : 18,369.25 = 4,456.88 : x
  2. Step 2: Convert to fraction form
    12,253.58/18,369.25 = 4,456.88/x
  3. Step 3: Cross multiply
    12,253.58x = 18,369.25 × 4,456.88
  4. Step 4: Simplify right side
    12,253.58x = 81,869,439.95
  5. Step 5: Solve for x
    x = 81,869,439.95/12,253.58
  6. Step 6: Final answer
    x = 6,681.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.