Home / 10,922.92-15,072.42-6,206.92

Finding the Fourth Proportional to 10,922.92, 15,072.42 and 6,206.92

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Solution

The fourth proportional to 10,922.92, 15,072.42 and 6,206.92 is: 8,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.92 : 15,072.42 = 6,206.92 : x
  2. Step 2: Convert to fraction form
    10,922.92/15,072.42 = 6,206.92/x
  3. Step 3: Cross multiply
    10,922.92x = 15,072.42 × 6,206.92
  4. Step 4: Simplify right side
    10,922.92x = 93,553,305.15
  5. Step 5: Solve for x
    x = 93,553,305.15/10,922.92
  6. Step 6: Final answer
    x = 8,564.86

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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.