Home / 12,248.54-18,362.52-5,679.44

Finding the Fourth Proportional to 12,248.54, 18,362.52 and 5,679.44

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Solution

The fourth proportional to 12,248.54, 18,362.52 and 5,679.44 is: 8,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.54 : 18,362.52 = 5,679.44 : x
  2. Step 2: Convert to fraction form
    12,248.54/18,362.52 = 5,679.44/x
  3. Step 3: Cross multiply
    12,248.54x = 18,362.52 × 5,679.44
  4. Step 4: Simplify right side
    12,248.54x = 104,288,830.59
  5. Step 5: Solve for x
    x = 104,288,830.59/12,248.54
  6. Step 6: Final answer
    x = 8,514.39

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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.