Home / 10,149.95-15,231.68-3,576.13

Finding the Fourth Proportional to 10,149.95, 15,231.68 and 3,576.13

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Solution

The fourth proportional to 10,149.95, 15,231.68 and 3,576.13 is: 5,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.95 : 15,231.68 = 3,576.13 : x
  2. Step 2: Convert to fraction form
    10,149.95/15,231.68 = 3,576.13/x
  3. Step 3: Cross multiply
    10,149.95x = 15,231.68 × 3,576.13
  4. Step 4: Simplify right side
    10,149.95x = 54,470,467.80
  5. Step 5: Solve for x
    x = 54,470,467.80/10,149.95
  6. Step 6: Final answer
    x = 5,366.57

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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.