Home / 11,461.79-17,198.60-4,886.21

Finding the Fourth Proportional to 11,461.79, 17,198.60 and 4,886.21

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Solution

The fourth proportional to 11,461.79, 17,198.60 and 4,886.21 is: 7,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.79 : 17,198.60 = 4,886.21 : x
  2. Step 2: Convert to fraction form
    11,461.79/17,198.60 = 4,886.21/x
  3. Step 3: Cross multiply
    11,461.79x = 17,198.60 × 4,886.21
  4. Step 4: Simplify right side
    11,461.79x = 84,035,885.31
  5. Step 5: Solve for x
    x = 84,035,885.31/11,461.79
  6. Step 6: Final answer
    x = 7,331.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.