Home / 10,080.87-15,127.38-3,511.67

Finding the Fourth Proportional to 10,080.87, 15,127.38 and 3,511.67

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Solution

The fourth proportional to 10,080.87, 15,127.38 and 3,511.67 is: 5,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.87 : 15,127.38 = 3,511.67 : x
  2. Step 2: Convert to fraction form
    10,080.87/15,127.38 = 3,511.67/x
  3. Step 3: Cross multiply
    10,080.87x = 15,127.38 × 3,511.67
  4. Step 4: Simplify right side
    10,080.87x = 53,122,290.89
  5. Step 5: Solve for x
    x = 53,122,290.89/10,080.87
  6. Step 6: Final answer
    x = 5,269.62

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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.