Home / 12,222.69-16,868.15-6,845.23

Finding the Fourth Proportional to 12,222.69, 16,868.15 and 6,845.23

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Solution

The fourth proportional to 12,222.69, 16,868.15 and 6,845.23 is: 9,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.69 : 16,868.15 = 6,845.23 : x
  2. Step 2: Convert to fraction form
    12,222.69/16,868.15 = 6,845.23/x
  3. Step 3: Cross multiply
    12,222.69x = 16,868.15 × 6,845.23
  4. Step 4: Simplify right side
    12,222.69x = 115,466,366.42
  5. Step 5: Solve for x
    x = 115,466,366.42/12,222.69
  6. Step 6: Final answer
    x = 9,446.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.