Home / 12,248.75-18,377.25-4,855.34

Finding the Fourth Proportional to 12,248.75, 18,377.25 and 4,855.34

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Solution

The fourth proportional to 12,248.75, 18,377.25 and 4,855.34 is: 7,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.75 : 18,377.25 = 4,855.34 : x
  2. Step 2: Convert to fraction form
    12,248.75/18,377.25 = 4,855.34/x
  3. Step 3: Cross multiply
    12,248.75x = 18,377.25 × 4,855.34
  4. Step 4: Simplify right side
    12,248.75x = 89,227,824.75
  5. Step 5: Solve for x
    x = 89,227,824.75/12,248.75
  6. Step 6: Final answer
    x = 7,284.65

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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.