Home / 7,622.55-11,430.30-3,462.39

Finding the Fourth Proportional to 7,622.55, 11,430.30 and 3,462.39

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Solution

The fourth proportional to 7,622.55, 11,430.30 and 3,462.39 is: 5,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.55 : 11,430.30 = 3,462.39 : x
  2. Step 2: Convert to fraction form
    7,622.55/11,430.30 = 3,462.39/x
  3. Step 3: Cross multiply
    7,622.55x = 11,430.30 × 3,462.39
  4. Step 4: Simplify right side
    7,622.55x = 39,576,156.42
  5. Step 5: Solve for x
    x = 39,576,156.42/7,622.55
  6. Step 6: Final answer
    x = 5,191.98

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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.