Home / 12,526.20-18,787.68-4,734

Finding the Fourth Proportional to 12,526.20, 18,787.68 and 4,734

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Solution

The fourth proportional to 12,526.20, 18,787.68 and 4,734 is: 7,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.20 : 18,787.68 = 4,734 : x
  2. Step 2: Convert to fraction form
    12,526.20/18,787.68 = 4,734/x
  3. Step 3: Cross multiply
    12,526.20x = 18,787.68 × 4,734
  4. Step 4: Simplify right side
    12,526.20x = 88,940,877.12
  5. Step 5: Solve for x
    x = 88,940,877.12/12,526.20
  6. Step 6: Final answer
    x = 7,100.39

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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.