Home / 12,327.65-18,493.49-6,783.60

Finding the Fourth Proportional to 12,327.65, 18,493.49 and 6,783.60

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Solution

The fourth proportional to 12,327.65, 18,493.49 and 6,783.60 is: 10,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.65 : 18,493.49 = 6,783.60 : x
  2. Step 2: Convert to fraction form
    12,327.65/18,493.49 = 6,783.60/x
  3. Step 3: Cross multiply
    12,327.65x = 18,493.49 × 6,783.60
  4. Step 4: Simplify right side
    12,327.65x = 125,452,438.76
  5. Step 5: Solve for x
    x = 125,452,438.76/12,327.65
  6. Step 6: Final answer
    x = 10,176.51

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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.