Home / 12,200.24-18,304.06-5,176.58

Finding the Fourth Proportional to 12,200.24, 18,304.06 and 5,176.58

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Solution

The fourth proportional to 12,200.24, 18,304.06 and 5,176.58 is: 7,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.24 : 18,304.06 = 5,176.58 : x
  2. Step 2: Convert to fraction form
    12,200.24/18,304.06 = 5,176.58/x
  3. Step 3: Cross multiply
    12,200.24x = 18,304.06 × 5,176.58
  4. Step 4: Simplify right side
    12,200.24x = 94,752,430.91
  5. Step 5: Solve for x
    x = 94,752,430.91/12,200.24
  6. Step 6: Final answer
    x = 7,766.44

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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.