Home / 10,408.96-15,613.43-2,617.77

Finding the Fourth Proportional to 10,408.96, 15,613.43 and 2,617.77

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Solution

The fourth proportional to 10,408.96, 15,613.43 and 2,617.77 is: 3,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.96 : 15,613.43 = 2,617.77 : x
  2. Step 2: Convert to fraction form
    10,408.96/15,613.43 = 2,617.77/x
  3. Step 3: Cross multiply
    10,408.96x = 15,613.43 × 2,617.77
  4. Step 4: Simplify right side
    10,408.96x = 40,872,355.56
  5. Step 5: Solve for x
    x = 40,872,355.56/10,408.96
  6. Step 6: Final answer
    x = 3,926.65

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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.