Home / 11,160.35-15,401.41-6,124.90

Finding the Fourth Proportional to 11,160.35, 15,401.41 and 6,124.90

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Solution

The fourth proportional to 11,160.35, 15,401.41 and 6,124.90 is: 8,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.35 : 15,401.41 = 6,124.90 : x
  2. Step 2: Convert to fraction form
    11,160.35/15,401.41 = 6,124.90/x
  3. Step 3: Cross multiply
    11,160.35x = 15,401.41 × 6,124.90
  4. Step 4: Simplify right side
    11,160.35x = 94,332,059.69
  5. Step 5: Solve for x
    x = 94,332,059.69/11,160.35
  6. Step 6: Final answer
    x = 8,452.43

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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.