Home / 11,408.99-15,744.41-6,373.20

Finding the Fourth Proportional to 11,408.99, 15,744.41 and 6,373.20

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Solution

The fourth proportional to 11,408.99, 15,744.41 and 6,373.20 is: 8,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.99 : 15,744.41 = 6,373.20 : x
  2. Step 2: Convert to fraction form
    11,408.99/15,744.41 = 6,373.20/x
  3. Step 3: Cross multiply
    11,408.99x = 15,744.41 × 6,373.20
  4. Step 4: Simplify right side
    11,408.99x = 100,342,236.32
  5. Step 5: Solve for x
    x = 100,342,236.32/11,408.99
  6. Step 6: Final answer
    x = 8,795.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.