Home / 11,207.89-15,466.29-6,171.94

Finding the Fourth Proportional to 11,207.89, 15,466.29 and 6,171.94

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Solution

The fourth proportional to 11,207.89, 15,466.29 and 6,171.94 is: 8,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.89 : 15,466.29 = 6,171.94 : x
  2. Step 2: Convert to fraction form
    11,207.89/15,466.29 = 6,171.94/x
  3. Step 3: Cross multiply
    11,207.89x = 15,466.29 × 6,171.94
  4. Step 4: Simplify right side
    11,207.89x = 95,457,013.90
  5. Step 5: Solve for x
    x = 95,457,013.90/11,207.89
  6. Step 6: Final answer
    x = 8,516.95

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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.