Home / 12,503.10-18,757.29-4,711.98

Finding the Fourth Proportional to 12,503.10, 18,757.29 and 4,711.98

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Solution

The fourth proportional to 12,503.10, 18,757.29 and 4,711.98 is: 7,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.10 : 18,757.29 = 4,711.98 : x
  2. Step 2: Convert to fraction form
    12,503.10/18,757.29 = 4,711.98/x
  3. Step 3: Cross multiply
    12,503.10x = 18,757.29 × 4,711.98
  4. Step 4: Simplify right side
    12,503.10x = 88,383,975.33
  5. Step 5: Solve for x
    x = 88,383,975.33/12,503.10
  6. Step 6: Final answer
    x = 7,068.96

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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.