Home / 12,232.89-18,343.98-4,332.78

Finding the Fourth Proportional to 12,232.89, 18,343.98 and 4,332.78

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Solution

The fourth proportional to 12,232.89, 18,343.98 and 4,332.78 is: 6,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.89 : 18,343.98 = 4,332.78 : x
  2. Step 2: Convert to fraction form
    12,232.89/18,343.98 = 4,332.78/x
  3. Step 3: Cross multiply
    12,232.89x = 18,343.98 × 4,332.78
  4. Step 4: Simplify right side
    12,232.89x = 79,480,429.66
  5. Step 5: Solve for x
    x = 79,480,429.66/12,232.89
  6. Step 6: Final answer
    x = 6,497.27

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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.