Home / 11,948.56-17,941.34-6,412.72

Finding the Fourth Proportional to 11,948.56, 17,941.34 and 6,412.72

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Solution

The fourth proportional to 11,948.56, 17,941.34 and 6,412.72 is: 9,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.56 : 17,941.34 = 6,412.72 : x
  2. Step 2: Convert to fraction form
    11,948.56/17,941.34 = 6,412.72/x
  3. Step 3: Cross multiply
    11,948.56x = 17,941.34 × 6,412.72
  4. Step 4: Simplify right side
    11,948.56x = 115,052,700.14
  5. Step 5: Solve for x
    x = 115,052,700.14/11,948.56
  6. Step 6: Final answer
    x = 9,629.01

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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.