Home / 7,586.73-11,385.33-2,656.40

Finding the Fourth Proportional to 7,586.73, 11,385.33 and 2,656.40

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Solution

The fourth proportional to 7,586.73, 11,385.33 and 2,656.40 is: 3,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.73 : 11,385.33 = 2,656.40 : x
  2. Step 2: Convert to fraction form
    7,586.73/11,385.33 = 2,656.40/x
  3. Step 3: Cross multiply
    7,586.73x = 11,385.33 × 2,656.40
  4. Step 4: Simplify right side
    7,586.73x = 30,243,923.72
  5. Step 5: Solve for x
    x = 30,243,923.72/7,586.73
  6. Step 6: Final answer
    x = 3,986.42

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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.