Home / 11,461.14-17,192.21-3,140.96

Finding the Fourth Proportional to 11,461.14, 17,192.21 and 3,140.96

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Solution

The fourth proportional to 11,461.14, 17,192.21 and 3,140.96 is: 4,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.14 : 17,192.21 = 3,140.96 : x
  2. Step 2: Convert to fraction form
    11,461.14/17,192.21 = 3,140.96/x
  3. Step 3: Cross multiply
    11,461.14x = 17,192.21 × 3,140.96
  4. Step 4: Simplify right side
    11,461.14x = 53,999,942.26
  5. Step 5: Solve for x
    x = 53,999,942.26/11,461.14
  6. Step 6: Final answer
    x = 4,711.57

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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.