Home / 12,202.55-16,838.13-6,897.35

Finding the Fourth Proportional to 12,202.55, 16,838.13 and 6,897.35

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Solution

The fourth proportional to 12,202.55, 16,838.13 and 6,897.35 is: 9,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.55 : 16,838.13 = 6,897.35 : x
  2. Step 2: Convert to fraction form
    12,202.55/16,838.13 = 6,897.35/x
  3. Step 3: Cross multiply
    12,202.55x = 16,838.13 × 6,897.35
  4. Step 4: Simplify right side
    12,202.55x = 116,138,475.96
  5. Step 5: Solve for x
    x = 116,138,475.96/12,202.55
  6. Step 6: Final answer
    x = 9,517.56

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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.