Home / 9,361.20-14,043.96-2,787.84

Finding the Fourth Proportional to 9,361.20, 14,043.96 and 2,787.84

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Solution

The fourth proportional to 9,361.20, 14,043.96 and 2,787.84 is: 4,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.20 : 14,043.96 = 2,787.84 : x
  2. Step 2: Convert to fraction form
    9,361.20/14,043.96 = 2,787.84/x
  3. Step 3: Cross multiply
    9,361.20x = 14,043.96 × 2,787.84
  4. Step 4: Simplify right side
    9,361.20x = 39,152,313.45
  5. Step 5: Solve for x
    x = 39,152,313.45/9,361.20
  6. Step 6: Final answer
    x = 4,182.40

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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.