Home / 7,784.66-11,674.51-2,518.56

Finding the Fourth Proportional to 7,784.66, 11,674.51 and 2,518.56

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Solution

The fourth proportional to 7,784.66, 11,674.51 and 2,518.56 is: 3,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.66 : 11,674.51 = 2,518.56 : x
  2. Step 2: Convert to fraction form
    7,784.66/11,674.51 = 2,518.56/x
  3. Step 3: Cross multiply
    7,784.66x = 11,674.51 × 2,518.56
  4. Step 4: Simplify right side
    7,784.66x = 29,402,947.61
  5. Step 5: Solve for x
    x = 29,402,947.61/7,784.66
  6. Step 6: Final answer
    x = 3,777.04

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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.