Home / 11,160.42-15,401.25-6,124.68

Finding the Fourth Proportional to 11,160.42, 15,401.25 and 6,124.68

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Solution

The fourth proportional to 11,160.42, 15,401.25 and 6,124.68 is: 8,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.42 : 15,401.25 = 6,124.68 : x
  2. Step 2: Convert to fraction form
    11,160.42/15,401.25 = 6,124.68/x
  3. Step 3: Cross multiply
    11,160.42x = 15,401.25 × 6,124.68
  4. Step 4: Simplify right side
    11,160.42x = 94,327,727.85
  5. Step 5: Solve for x
    x = 94,327,727.85/11,160.42
  6. Step 6: Final answer
    x = 8,451.99

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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.