Home / 12,208.91-16,845.50-6,902.57

Finding the Fourth Proportional to 12,208.91, 16,845.50 and 6,902.57

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Solution

The fourth proportional to 12,208.91, 16,845.50 and 6,902.57 is: 9,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.91 : 16,845.50 = 6,902.57 : x
  2. Step 2: Convert to fraction form
    12,208.91/16,845.50 = 6,902.57/x
  3. Step 3: Cross multiply
    12,208.91x = 16,845.50 × 6,902.57
  4. Step 4: Simplify right side
    12,208.91x = 116,277,208.42
  5. Step 5: Solve for x
    x = 116,277,208.42/12,208.91
  6. Step 6: Final answer
    x = 9,523.96

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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.