Home / 7,708.23-11,562.30-2,776.55

Finding the Fourth Proportional to 7,708.23, 11,562.30 and 2,776.55

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Solution

The fourth proportional to 7,708.23, 11,562.30 and 2,776.55 is: 4,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.23 : 11,562.30 = 2,776.55 : x
  2. Step 2: Convert to fraction form
    7,708.23/11,562.30 = 2,776.55/x
  3. Step 3: Cross multiply
    7,708.23x = 11,562.30 × 2,776.55
  4. Step 4: Simplify right side
    7,708.23x = 32,103,246.25
  5. Step 5: Solve for x
    x = 32,103,246.25/7,708.23
  6. Step 6: Final answer
    x = 4,164.80

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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.