Home / 11,743.11-17,614.67-4,812.75

Finding the Fourth Proportional to 11,743.11, 17,614.67 and 4,812.75

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Solution

The fourth proportional to 11,743.11, 17,614.67 and 4,812.75 is: 7,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.11 : 17,614.67 = 4,812.75 : x
  2. Step 2: Convert to fraction form
    11,743.11/17,614.67 = 4,812.75/x
  3. Step 3: Cross multiply
    11,743.11x = 17,614.67 × 4,812.75
  4. Step 4: Simplify right side
    11,743.11x = 84,774,978.98
  5. Step 5: Solve for x
    x = 84,774,978.98/11,743.11
  6. Step 6: Final answer
    x = 7,219.13

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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.