Home / 11,724.65-17,582.81-4,327.12

Finding the Fourth Proportional to 11,724.65, 17,582.81 and 4,327.12

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Solution

The fourth proportional to 11,724.65, 17,582.81 and 4,327.12 is: 6,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.65 : 17,582.81 = 4,327.12 : x
  2. Step 2: Convert to fraction form
    11,724.65/17,582.81 = 4,327.12/x
  3. Step 3: Cross multiply
    11,724.65x = 17,582.81 × 4,327.12
  4. Step 4: Simplify right side
    11,724.65x = 76,082,840.89
  5. Step 5: Solve for x
    x = 76,082,840.89/11,724.65
  6. Step 6: Final answer
    x = 6,489.14

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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.