Home / 12,176.73-16,804.68-6,869.61

Finding the Fourth Proportional to 12,176.73, 16,804.68 and 6,869.61

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Solution

The fourth proportional to 12,176.73, 16,804.68 and 6,869.61 is: 9,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.73 : 16,804.68 = 6,869.61 : x
  2. Step 2: Convert to fraction form
    12,176.73/16,804.68 = 6,869.61/x
  3. Step 3: Cross multiply
    12,176.73x = 16,804.68 × 6,869.61
  4. Step 4: Simplify right side
    12,176.73x = 115,441,597.77
  5. Step 5: Solve for x
    x = 115,441,597.77/12,176.73
  6. Step 6: Final answer
    x = 9,480.51

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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.