Home / 11,080.62-15,291.38-6,606.94

Finding the Fourth Proportional to 11,080.62, 15,291.38 and 6,606.94

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Solution

The fourth proportional to 11,080.62, 15,291.38 and 6,606.94 is: 9,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.62 : 15,291.38 = 6,606.94 : x
  2. Step 2: Convert to fraction form
    11,080.62/15,291.38 = 6,606.94/x
  3. Step 3: Cross multiply
    11,080.62x = 15,291.38 × 6,606.94
  4. Step 4: Simplify right side
    11,080.62x = 101,029,230.18
  5. Step 5: Solve for x
    x = 101,029,230.18/11,080.62
  6. Step 6: Final answer
    x = 9,117.65

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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.