Home / 7,744.24-11,631.30-6,636.16

Finding the Fourth Proportional to 7,744.24, 11,631.30 and 6,636.16

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Solution

The fourth proportional to 7,744.24, 11,631.30 and 6,636.16 is: 9,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.24 : 11,631.30 = 6,636.16 : x
  2. Step 2: Convert to fraction form
    7,744.24/11,631.30 = 6,636.16/x
  3. Step 3: Cross multiply
    7,744.24x = 11,631.30 × 6,636.16
  4. Step 4: Simplify right side
    7,744.24x = 77,187,167.81
  5. Step 5: Solve for x
    x = 77,187,167.81/7,744.24
  6. Step 6: Final answer
    x = 9,967.04

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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.