Home / 11,161.19-15,402.89-6,125.59

Finding the Fourth Proportional to 11,161.19, 15,402.89 and 6,125.59

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Solution

The fourth proportional to 11,161.19, 15,402.89 and 6,125.59 is: 8,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.19 : 15,402.89 = 6,125.59 : x
  2. Step 2: Convert to fraction form
    11,161.19/15,402.89 = 6,125.59/x
  3. Step 3: Cross multiply
    11,161.19x = 15,402.89 × 6,125.59
  4. Step 4: Simplify right side
    11,161.19x = 94,351,788.96
  5. Step 5: Solve for x
    x = 94,351,788.96/11,161.19
  6. Step 6: Final answer
    x = 8,453.56

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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.