Home / 7,949.14-11,909.16-3,724.63

Finding the Fourth Proportional to 7,949.14, 11,909.16 and 3,724.63

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Solution

The fourth proportional to 7,949.14, 11,909.16 and 3,724.63 is: 5,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.14 : 11,909.16 = 3,724.63 : x
  2. Step 2: Convert to fraction form
    7,949.14/11,909.16 = 3,724.63/x
  3. Step 3: Cross multiply
    7,949.14x = 11,909.16 × 3,724.63
  4. Step 4: Simplify right side
    7,949.14x = 44,357,184.84
  5. Step 5: Solve for x
    x = 44,357,184.84/7,949.14
  6. Step 6: Final answer
    x = 5,580.13

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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.