Home / 12,327.47-18,491.13-4,933.64

Finding the Fourth Proportional to 12,327.47, 18,491.13 and 4,933.64

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Solution

The fourth proportional to 12,327.47, 18,491.13 and 4,933.64 is: 7,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.47 : 18,491.13 = 4,933.64 : x
  2. Step 2: Convert to fraction form
    12,327.47/18,491.13 = 4,933.64/x
  3. Step 3: Cross multiply
    12,327.47x = 18,491.13 × 4,933.64
  4. Step 4: Simplify right side
    12,327.47x = 91,228,578.61
  5. Step 5: Solve for x
    x = 91,228,578.61/12,327.47
  6. Step 6: Final answer
    x = 7,400.43

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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.