Home / 10,377.99-15,571.55-5,446.44

Finding the Fourth Proportional to 10,377.99, 15,571.55 and 5,446.44

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Solution

The fourth proportional to 10,377.99, 15,571.55 and 5,446.44 is: 8,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.99 : 15,571.55 = 5,446.44 : x
  2. Step 2: Convert to fraction form
    10,377.99/15,571.55 = 5,446.44/x
  3. Step 3: Cross multiply
    10,377.99x = 15,571.55 × 5,446.44
  4. Step 4: Simplify right side
    10,377.99x = 84,809,407.69
  5. Step 5: Solve for x
    x = 84,809,407.69/10,377.99
  6. Step 6: Final answer
    x = 8,172.05

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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.