Home / 12,392.70-18,587.43-6,150.30

Finding the Fourth Proportional to 12,392.70, 18,587.43 and 6,150.30

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Solution

The fourth proportional to 12,392.70, 18,587.43 and 6,150.30 is: 9,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.70 : 18,587.43 = 6,150.30 : x
  2. Step 2: Convert to fraction form
    12,392.70/18,587.43 = 6,150.30/x
  3. Step 3: Cross multiply
    12,392.70x = 18,587.43 × 6,150.30
  4. Step 4: Simplify right side
    12,392.70x = 114,318,270.73
  5. Step 5: Solve for x
    x = 114,318,270.73/12,392.70
  6. Step 6: Final answer
    x = 9,224.65

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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.