Home / 11,081.85-15,292.56-6,604.56

Finding the Fourth Proportional to 11,081.85, 15,292.56 and 6,604.56

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Solution

The fourth proportional to 11,081.85, 15,292.56 and 6,604.56 is: 9,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.85 : 15,292.56 = 6,604.56 : x
  2. Step 2: Convert to fraction form
    11,081.85/15,292.56 = 6,604.56/x
  3. Step 3: Cross multiply
    11,081.85x = 15,292.56 × 6,604.56
  4. Step 4: Simplify right side
    11,081.85x = 101,000,630.07
  5. Step 5: Solve for x
    x = 101,000,630.07/11,081.85
  6. Step 6: Final answer
    x = 9,114.06

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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.