Home / 7,459.80-11,193.30-5,704.20

Finding the Fourth Proportional to 7,459.80, 11,193.30 and 5,704.20

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Solution

The fourth proportional to 7,459.80, 11,193.30 and 5,704.20 is: 8,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.80 : 11,193.30 = 5,704.20 : x
  2. Step 2: Convert to fraction form
    7,459.80/11,193.30 = 5,704.20/x
  3. Step 3: Cross multiply
    7,459.80x = 11,193.30 × 5,704.20
  4. Step 4: Simplify right side
    7,459.80x = 63,848,821.86
  5. Step 5: Solve for x
    x = 63,848,821.86/7,459.80
  6. Step 6: Final answer
    x = 8,559.05

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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.