Home / 7,440.12-11,157.30-2,173.37

Finding the Fourth Proportional to 7,440.12, 11,157.30 and 2,173.37

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Solution

The fourth proportional to 7,440.12, 11,157.30 and 2,173.37 is: 3,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.12 : 11,157.30 = 2,173.37 : x
  2. Step 2: Convert to fraction form
    7,440.12/11,157.30 = 2,173.37/x
  3. Step 3: Cross multiply
    7,440.12x = 11,157.30 × 2,173.37
  4. Step 4: Simplify right side
    7,440.12x = 24,248,885.31
  5. Step 5: Solve for x
    x = 24,248,885.31/7,440.12
  6. Step 6: Final answer
    x = 3,259.21

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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.