Home / 12,200.34-16,836.94-6,895.74

Finding the Fourth Proportional to 12,200.34, 16,836.94 and 6,895.74

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Solution

The fourth proportional to 12,200.34, 16,836.94 and 6,895.74 is: 9,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.34 : 16,836.94 = 6,895.74 : x
  2. Step 2: Convert to fraction form
    12,200.34/16,836.94 = 6,895.74/x
  3. Step 3: Cross multiply
    12,200.34x = 16,836.94 × 6,895.74
  4. Step 4: Simplify right side
    12,200.34x = 116,103,160.64
  5. Step 5: Solve for x
    x = 116,103,160.64/12,200.34
  6. Step 6: Final answer
    x = 9,516.39

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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.