Home / 12,229.92-18,332.46-6,954.03

Finding the Fourth Proportional to 12,229.92, 18,332.46 and 6,954.03

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Solution

The fourth proportional to 12,229.92, 18,332.46 and 6,954.03 is: 10,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.92 : 18,332.46 = 6,954.03 : x
  2. Step 2: Convert to fraction form
    12,229.92/18,332.46 = 6,954.03/x
  3. Step 3: Cross multiply
    12,229.92x = 18,332.46 × 6,954.03
  4. Step 4: Simplify right side
    12,229.92x = 127,484,476.81
  5. Step 5: Solve for x
    x = 127,484,476.81/12,229.92
  6. Step 6: Final answer
    x = 10,423.98

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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.