Home / 8,787.66-13,164.94-4,340.12

Finding the Fourth Proportional to 8,787.66, 13,164.94 and 4,340.12

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Solution

The fourth proportional to 8,787.66, 13,164.94 and 4,340.12 is: 6,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.66 : 13,164.94 = 4,340.12 : x
  2. Step 2: Convert to fraction form
    8,787.66/13,164.94 = 4,340.12/x
  3. Step 3: Cross multiply
    8,787.66x = 13,164.94 × 4,340.12
  4. Step 4: Simplify right side
    8,787.66x = 57,137,433.05
  5. Step 5: Solve for x
    x = 57,137,433.05/8,787.66
  6. Step 6: Final answer
    x = 6,502.01

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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.