Home / 7,621.56-11,424.65-3,667.01

Finding the Fourth Proportional to 7,621.56, 11,424.65 and 3,667.01

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Solution

The fourth proportional to 7,621.56, 11,424.65 and 3,667.01 is: 5,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.56 : 11,424.65 = 3,667.01 : x
  2. Step 2: Convert to fraction form
    7,621.56/11,424.65 = 3,667.01/x
  3. Step 3: Cross multiply
    7,621.56x = 11,424.65 × 3,667.01
  4. Step 4: Simplify right side
    7,621.56x = 41,894,230.34
  5. Step 5: Solve for x
    x = 41,894,230.34/7,621.56
  6. Step 6: Final answer
    x = 5,496.81

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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.