Home / 7,412.45-11,119.28-2,482.25

Finding the Fourth Proportional to 7,412.45, 11,119.28 and 2,482.25

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Solution

The fourth proportional to 7,412.45, 11,119.28 and 2,482.25 is: 3,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.45 : 11,119.28 = 2,482.25 : x
  2. Step 2: Convert to fraction form
    7,412.45/11,119.28 = 2,482.25/x
  3. Step 3: Cross multiply
    7,412.45x = 11,119.28 × 2,482.25
  4. Step 4: Simplify right side
    7,412.45x = 27,600,764.77
  5. Step 5: Solve for x
    x = 27,600,764.77/7,412.45
  6. Step 6: Final answer
    x = 3,723.57

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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.