Home / 12,230.52-18,351.85-4,840.28

Finding the Fourth Proportional to 12,230.52, 18,351.85 and 4,840.28

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Solution

The fourth proportional to 12,230.52, 18,351.85 and 4,840.28 is: 7,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.52 : 18,351.85 = 4,840.28 : x
  2. Step 2: Convert to fraction form
    12,230.52/18,351.85 = 4,840.28/x
  3. Step 3: Cross multiply
    12,230.52x = 18,351.85 × 4,840.28
  4. Step 4: Simplify right side
    12,230.52x = 88,828,092.52
  5. Step 5: Solve for x
    x = 88,828,092.52/12,230.52
  6. Step 6: Final answer
    x = 7,262.82

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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.