Home / 11,757.62-17,638.70-3,437.67

Finding the Fourth Proportional to 11,757.62, 17,638.70 and 3,437.67

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Solution

The fourth proportional to 11,757.62, 17,638.70 and 3,437.67 is: 5,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.62 : 17,638.70 = 3,437.67 : x
  2. Step 2: Convert to fraction form
    11,757.62/17,638.70 = 3,437.67/x
  3. Step 3: Cross multiply
    11,757.62x = 17,638.70 × 3,437.67
  4. Step 4: Simplify right side
    11,757.62x = 60,636,012.64
  5. Step 5: Solve for x
    x = 60,636,012.64/11,757.62
  6. Step 6: Final answer
    x = 5,157.17

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1.5x scale

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.