Home / 8,525.94-12,787.70-2,682.40

Finding the Fourth Proportional to 8,525.94, 12,787.70 and 2,682.40

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Solution

The fourth proportional to 8,525.94, 12,787.70 and 2,682.40 is: 4,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.94 : 12,787.70 = 2,682.40 : x
  2. Step 2: Convert to fraction form
    8,525.94/12,787.70 = 2,682.40/x
  3. Step 3: Cross multiply
    8,525.94x = 12,787.70 × 2,682.40
  4. Step 4: Simplify right side
    8,525.94x = 34,301,681.10
  5. Step 5: Solve for x
    x = 34,301,681.10/8,525.94
  6. Step 6: Final answer
    x = 4,023.21

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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.