Home / 12,236.41-16,886.70-6,785.62

Finding the Fourth Proportional to 12,236.41, 16,886.70 and 6,785.62

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Solution

The fourth proportional to 12,236.41, 16,886.70 and 6,785.62 is: 9,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.41 : 16,886.70 = 6,785.62 : x
  2. Step 2: Convert to fraction form
    12,236.41/16,886.70 = 6,785.62/x
  3. Step 3: Cross multiply
    12,236.41x = 16,886.70 × 6,785.62
  4. Step 4: Simplify right side
    12,236.41x = 114,586,687.04
  5. Step 5: Solve for x
    x = 114,586,687.04/12,236.41
  6. Step 6: Final answer
    x = 9,364.41

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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.